diff --git a/Makefile b/Makefile
index e21837b..7211819 100644
--- a/Makefile
+++ b/Makefile
@@ -21,7 +21,7 @@ DEBUG=-ggdb
 endif
 
 NN_STD=gnu99
-EMU_STD=c23
+EMU_STD=gnu23
 
 NNFLAGS=