Real Sociedad coach Jagoba Arrasate said his club is not over confident despite a 2-0 lead over Lyon in their Champions League play-off.
Sociedad look set to claim a berth in the Champions League group stage for the first time in a decade after beating Lyon 2-0 away from home in last week's first leg.
Despite the handy advantage, Arrasate insisted the club will be firmly focused on Wednesday's second leg to ensure they progress.
"Maybe outside the club it has been euphoria, but inside it hasn't," Arrasate said.
"When the game finished we were happy, but at the same time cautious.
"Afterwards we were focused on the (league) game against Elche, and now it's time to focus on Lyon, but we are absolutely aware we have to play another great match if we want to go through.
"So inside the club there has not been any euphoria."
If Sociedad needed any extra motivation, this game gives them the chance to exact revenge on the club that ended their last European campaign.
The two sides met in a last-16 tie in 2004, the only other occasion Sociedad made it to the group stage, with Lyon winning 2-0 on aggregate.
This time it is Sociedad who are on top, but Arrasate is still wary of their French opponents.
"We know we have a two-goal advantage, that it is important," he said.
"In the first match we were able to contain Lyon and, in part, that was a credit to our team.
"We are aware of our advantage, but we are cautious, because we know we have to play another good match to succeed."
Lyon coach Remi Garde, meanwhile, said his side will be going all out to turn the tie around.
"Champions League play-off matches are never easy," he said.
"We didn't show up for the first game. But tomorrow's second leg will be a different story - we will try to play as well as Real Sociedad did during the first leg.
"But whatever happens, the club will remain strong after this match. We hope to advance to the group stages and we will work on a plan to achieve that aim."
|24||De La Bella|
|11||C. Vela||37' 67' 90+1'|
for A. Griezmann 72'
for Xabi Prieto 79'
for Bergara 84'
|Hecking ´furious´ with Wolfsburg defence|
|CONCACAF Champions League Preview: DC United face uphill task to reach semis|
|AFC Champions League Preview: Al Ain enhanced, Wanderers prepare for Evergrande reunion|
|Coupe de France Preview: PSG, Monaco to meet again|
|Crouch happy to silence doubters|
|Blanc questions rivals´ mental strength as PSG gain ground|
|Kane: Fortune favoured Chelsea|
|Ancelotti defends Isco substitution|
|Rooney: Di Maria will come good|
|Stubborn Villarreal impress Real´s Pepe|
|PSG could not ´kill off´ Monaco - Van der Wiel|
|Serie A Review: Napoli suffer defeat at Torino, Lazio lurking|
|Ligue 1 Review: Title chasers´ slip-ups go unpunished|
|La Liga Review: Real and Atletico suffer frustrating draws|
|Primeira Liga Review: Porto´s Tello dents Sporting´s title hopes|
|Monaco 0 PSG 0: Champions miss chance to go top|
|Real Madrid 1 Villarreal 1: Moreno leveller ensures stalemate|
|Simeone satisfied with Sevilla point|
|Henry: Chelsea can win a trophy treble this season|
|Mancini frustrated by ´hesitant´ Inter|
|Sevilla 0 Atletico Madrid 0: Simeone´s men in fiery draw|
|Pochettino upbeat despite League Cup defeat|
|Inter 0 Fiorentina 1: Montella´s men end San Siro wait|
|Bundesliga Review: Wolfsburg edge eight-goal thriller, Monchengladbach win|
|Mourinho revels in ´beautiful´ League Cup success|
|Eredivisie Review: PSV lose home record as Ajax close the gap|
|Terry thrilled by ´massive´ League Cup final win|
|Chelsea 2 Tottenham 0: Mourinho´s men seal League Cup success|
|Coquelin sustains broken nose|
|Wenger hails Giroud character after Everton goal|
|Everton not getting what they deserve - Martinez|
|Coutinho is coming of age at Anfield - Rodgers|
|Football League Preview: Wolves in the hunt for back-to-back promotions|
|Norwich City 2 Ipswich Town 0: Neil´s men go third with derby triumph|
|Southampton v Crystal Palace: Fonte focusing on big picture|
|Arsenal 2 Everton 0: Giroud strikes to silence doubters|
|Dynamo Dresden v Borussia Dortmund: Hummels eager to build on derby win|
|Rodgers tips hat to relentless Liverpool|
|City facing uphill challenge to retain title - Pellegrini|
|Celtic 4 Aberdeen 0: Champions dominate top-of-the-table clash|
|Lallana hails ´massive´ win as Liverpool´s top-four charge continues|
|Hull City v Sunderland: Cattermole allowing no excuses against ´bogey team´|
|Liverpool 2 Manchester City 1: Coutinho dents City´s title hopes|
|Sunderland to appeal Brown red card|
|Aston Villa v West Brom: Sherwood looking for confidence boost|
|Allegri not taking risks on Vidal and Pogba|
|Pardew defends Jedinak over Sakho elbow|
|Heldt apologises after Schalke´s derby humbling|
|Milan must give that bit extra - Bocchetti|
|Rooney: Brown red must be rescinded|
|Monk hails Swansea´s versatility|
|Melbourne Victory 2 Wellington Phoenix 3: Hosts miss chance to go top|
|Rodgers: Top-four finish would be bigger than last season´s effort|
|Batman and Robin ´a bit of fun´ - Reus|
|Rakitic feeling better after ending goal drought|
|Copa Libertadores Preview: Well-rested Cruzeiro ready for Universitario|
|Fournier fuming after Lyon loss|
|DFB Pokal Preview: Gladbach visit rusty Offenbach|
|Mourinho: Tottenham approached me|
|Primeira Liga Review: Birthday boys Benfica hit Estoril for six|
|Inzaghi finds positives in lacklustre display|
|Eredivisie Review: AZ move third, Propper fires Vitesse to victory|
|Chievo 0 Milan 0: Pressure back on Inzaghi|
|Bundesliga Review: Derby win for Dortmund superheroes, Leverkusen go fourth|
|Ligue 1 Review: Lyon loss leaves door open for PSG|
|Bueno nets perfect hat-trick in four-goal spree for Rayo|
|Carver impressed with Newcastle´s fighting spirit|
|Van Gaal explains Di Maria decision|
|Luis Enrique angered by Granada pitch|
|Sherwood confident of Villa survival|
|Referee East says ´no mistaken identity´ as Poyet pledges to look again|
|League One Review: Robertson and Johnson off to winning starts, Bristol City go eight clear|
|Bruce angered by missed decision|
|Berahino can be ´top class´ - Pulis|
|Grateful Gutierrez thanks ´special´ fans|
|Monk targets Swansea points record|
|Klopp´s ´perfect´ afternoon|
|Victory soured by Ireland injury, says Hughes|
|Championship Review: Middlesbrough´s opportunity missed as Derby are defeated|
|Koeman: I am realistic on Champions League|
|League Two Review: Burton beaten again, Hartlepool gain welcome lift|
|´Triple punishment´ rule could be scrapped|
|Scottish Premiership Review: Inverness slip up as strugglers prosper|
|Mancini wary of Fiorentina quality|
|Hearts attack hits double figures in Scotland|
|West Brom 1 Southampton 0: Berahino wins it, then limps off|
|Manchester United 2 Sunderland 0: Rooney at the double amid red card controversy|
|Newcastle United 1 Aston Villa 0: Cisse strike downs visitors|
|Stoke City 1 Hull City 0: Super sub Crouch secures win|
|Granada 1 Barcelona 3: Suarez inspires routine win|
|Burnley 0 Swansea City 1: Trippier own goal proves decisive|
|Borussia Dortmund 3 Schalke 0: Late show seals dominant derby win|
|Referee Dowd fails to make it through West Brom, Saints clash|
|Allardyce ´shocked´ after home loss|
|Pardew lauds Murray after ´mixed afternoon´ for striker|
|West Ham 1 Crystal Palace 3: Pardew enjoys more away-day success|
|Blanc: PSG prepared for confident Monaco|
|Ancelotti: Isco place is non-negotiable|
|Pellegrini out to end dismal record at Anfield|
|Roma v Juventus: Matri eyes glory in title tussle|
|Martinez wary of wounded Arsenal|
|A-League Review: Spectacular Sydney derby the highlight|
|Perez to testify in corruption case|
|Bentaleb determined to avoid European hangover|
|Liverpool cannot dwell on Europa exit, says Rodgers|
|Marquinhos welcomes Manchester United interest|
|Tottenham must be ´nearly perfect´ to beat Chelsea - Pochettino|
|Bielsa: I take responsibility|
|League Cup final ´most important´ for Mourinho|
|Rodgers unsure if European exit will be a blessing|
|Vitoria Guimaraes 1 Maritimo 0: Hosts end winless run|