diff --git a/deps/lua/src/fpconv.h b/deps/lua/src/fpconv.h
index 012490885..7b0d0ee31 100644
--- a/deps/lua/src/fpconv.h
+++ b/deps/lua/src/fpconv.h
@@ -12,7 +12,7 @@ static inline void fpconv_init()
     /* Do nothing - not required */
 }
 #else
-extern inline void fpconv_init();
+extern void fpconv_init();
 #endif
 
 extern int fpconv_g_fmt(char*, double, int);