--- a/configure.ac
+++ b/configure.ac
@@ -205,7 +205,7 @@ AC_ARG_ENABLE([language],
 
 for i in ${LANGUAGES}
 do
-	if test x$i == x${language}
+	if test x$i = x${language}
 	then
 		AC_SUBST([INSTALL_LANGUAGE],[${language}])
 	fi
