diff --git a/src/Makefile.d/versions.mk b/src/Makefile.d/versions.mk
index e49bf43c3..b20a4a643 100644
--- a/src/Makefile.d/versions.mk
+++ b/src/Makefile.d/versions.mk
@@ -22,7 +22,7 @@ ifndef GCC295
 #WFLAGS+=-Wno-packed
 endif
 ifndef RELAXWARNINGS
- WFLAGS+=-W
+ WFLAGS+=-W -pedantic
 #WFLAGS+=-Wno-sign-compare
 ifndef GCC295
  WFLAGS+=-Wno-div-by-zero