diff --git a/configure b/configure
index a89de3e..b535af1 100755
--- a/configure
+++ b/configure
@@ -718,7 +718,7 @@ config_flags()
 
 	# ccstrict
 	if [ _$mb_ccstrict = _yes ]; then
-		mb_cflags_strict='$(_CFLAGS_Wall) $(_CFLAGS_Werror) $(_CFLAGS_Wextra) $(_CFLAGS_Wundef)'
+		mb_cflags_strict='$(_CFLAGS_Wall) $(_CFLAGS_Werror) $(_CFLAGS_Wextra) $(_CFLAGS_Wundef) $(_CFLAGS_Wpedantic)'
 	fi
 
 	# ldstrict
diff --git a/sofort/ccenv/ccswitch.strs b/sofort/ccenv/ccswitch.strs
index 0a76f03..277e02e 100644
--- a/sofort/ccenv/ccswitch.strs
+++ b/sofort/ccenv/ccswitch.strs
@@ -34,6 +34,7 @@
 -Werror
 -Wextra
 -Wundef
+-Wpedantic
 
 # debugging
 -g