diff --git a/cogl/cogl-fixed.c b/cogl/cogl-fixed.c
index 5dc74f8e1..a144d8404 100644
--- a/cogl/cogl-fixed.c
+++ b/cogl/cogl-fixed.c
@@ -807,7 +807,7 @@ CoglFixed
 cogl_fixed_mul (CoglFixed a,
                 CoglFixed b)
 {
-#ifdef __arm__ && !defined(__thumb__)
+#if defined(__arm__) && !defined(__thumb__)
   /* This provides about 12% speedeup on the gcc -O2 optimised
    * C version
    *