diff --git a/build/makepack-dolibarr.pl b/build/makepack-dolibarr.pl
index ccfe57b3951..8e05b8090d6 100755
--- a/build/makepack-dolibarr.pl
+++ b/build/makepack-dolibarr.pl
@@ -412,7 +412,7 @@ if ($nboftargetok) {
             print "Go to directory $BUILDROOT\n";
      		$olddir=getcwd();
      		chdir("$BUILDROOT");
-    		$cmd= "7z a -r -tzip -xr\@\"$BUILDROOT\/$FILENAMEZIP\/build\/zip\/zip_exclude.txt\" -mx $BUILDROOT/$FILENAMEZIP.zip $FILENAMEZIP\\*";
+    		$cmd= "7z a -r -tzip -xr\@\"$BUILDROOT\/$FILENAMEZIP\/build\/zip\/zip_exclude.txt\" -mx $BUILDROOT/$FILENAMEZIP.zip $FILENAMEZIP\/*";
 			print $cmd."\n";
 			$ret= `$cmd`;
             chdir("$olddir");