diff --git a/compiler.h b/compiler.h
index 915dcee..4361770 100644
--- a/compiler.h
+++ b/compiler.h
@@ -21,6 +21,7 @@
 
 #if GCC_VERSION_ATLEAST(2,95) && !defined(__STRICT_ANSI__)
 #undef restrict
+#define restrict __restrict
 #else
 #define restrict
 #endif