diff --git a/compat/compat.h.in b/compat/compat.h.in
index bc84305..8566ed0 100644
--- a/compat/compat.h.in
+++ b/compat/compat.h.in
@@ -29,10 +29,10 @@
 
 #ifndef __INT64_C
 #  if __WORDSIZE == 64
-#    define __INT64_C(c)  c ## L
+#    define __INT64_C(c) c ## L
 #    define __UINT64_C(c) c ## UL
 #  else
-#    define __INT64_C(c)  c ## LL
+#    define __INT64_C(c) c ## LL
 #    define __UINT64_C(c) c ## ULL
 #  endif
 #endif