diff --git a/gst/gettext.h b/gst/gettext.h
index 8b262f4cfd..59902b35ee 100644
--- a/gst/gettext.h
+++ b/gst/gettext.h
@@ -20,7 +20,7 @@
 #define _LIBGETTEXT_H 1
 
 /* NLS can be disabled through the configure --disable-nls option.  */
-#if ENABLE_NLS
+#ifdef ENABLE_NLS
 
 /* Get declarations of GNU message catalog functions.  */
 # include <libintl.h>