diff --git a/external/fdlibm/math_private.h b/external/fdlibm/math_private.h
index f79605ff7bc12..14650d04eae34 100644
--- a/external/fdlibm/math_private.h
+++ b/external/fdlibm/math_private.h
@@ -21,6 +21,7 @@
 	defined(intel) || defined(x86) || defined(i86pc) || \
 	defined(__alpha) || defined(__osf__)
 #define __LITTLE_ENDIAN
+#endif
 
 /* The original fdlibm code used statements like:
 	n0 = ((*(int*)&one)>>29)^1;		* index of high word *