diff --git a/Modules/pypcre.c b/Modules/pypcre.c
index 5f21005..a6ba17c 100644
--- a/Modules/pypcre.c
+++ b/Modules/pypcre.c
@@ -577,6 +577,7 @@
 of #ifdef inline, and there are *still* stupid compilers about that don't like
 indented pre-processor statements. I suppose it's only been 10 years... */
 
+#undef DPRINTF
 #ifdef DEBUG
 #define DPRINTF(p) printf p
 #else