diff --git a/Makefile.am b/Makefile.am
index 2420f3bbfd..7f66e4ff71 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -36,7 +36,7 @@ DISTCHECK_CONFIGURE_FLAGS = \
 	--enable-tests=yes \
 	--with-valgrind=no \
 	--enable-gtk-doc \
-	--enable-more-warnings=yes \
+	--enable-more-warnings=error \
 	--with-udev-dir=$$dc_install_base/lib/udev \
 	--with-wext=no \
 	--enable-ifcfg-rh \
@@ -59,8 +59,6 @@ DISTCLEANFILES = intltool-extract intltool-merge intltool-update
 pkgconfigdir = $(libdir)/pkgconfig
 pkgconfig_DATA = NetworkManager.pc
 
-DISTCHECK_CONFIGURE_FLAGS = --enable-more-warnings=error
-
 CLEANFILES = cscope.in.out cscope.out cscope.po.out
 
 cscope: