diff --git a/t/example/CC.do b/t/example/CC.do
index abb528c..c45013a 100644
--- a/t/example/CC.do
+++ b/t/example/CC.do
@@ -3,7 +3,7 @@ redo-ifchange config.sh
 exec >$3
 cat <<-EOF
 	redo-ifchange \$1.c
-	gcc -MD -MF \$3.deps.tmp -o \$3 -c \$1.c
+	gcc $CFLAGS -MD -MF \$3.deps.tmp -o \$3 -c \$1.c
 	DEPS=\$(sed -e "s/^\$3://" -e 's/\\\\//g' <\$3.deps.tmp)
 	rm -f \$3.deps.tmp
 	redo-ifchange \$DEPS