diff --git a/htdocs/compta/resultat/index.php b/htdocs/compta/resultat/index.php
index d12587eea6e..d40f00a9c42 100644
--- a/htdocs/compta/resultat/index.php
+++ b/htdocs/compta/resultat/index.php
@@ -483,7 +483,7 @@ if (! empty($conf->tax->enabled) && ($modecompta == 'CREANCES-DETTES' || $modeco
 					$encaiss[$obj->dm] += -$obj->amount;
 
 					if (! isset($encaiss_ttc[$obj->dm])) $encaiss_ttc[$obj->dm]=0;
-					$encaiss_ttc[$obj->dm] +=-$obj->amount;
+					$encaiss_ttc[$obj->dm] += -$obj->amount;
 
 					$i++;
 				}