diff --git a/src/misc.c b/src/misc.c
index 1a99a7181..171ad7561 100644
--- a/src/misc.c
+++ b/src/misc.c
@@ -448,7 +448,7 @@ int register_extension()
 	return 0;
 #elif defined LIN64
 	return 0;
-#elif definded MACOSX
+#elif defined MACOSX
 	return 0;
 #endif
 }