makefile update
diff --git a/utils/argv_fuzzing/Makefile b/utils/argv_fuzzing/Makefile
index 140a53d..3ebde54 100644
--- a/utils/argv_fuzzing/Makefile
+++ b/utils/argv_fuzzing/Makefile
@@ -41,7 +41,7 @@
 ___M32FLAG=$(__M32FLAG:$(CC_IS_GCC)$(CC_IS_ARMCOMPILER)=-m32)
 M32FLAG=$(___M32FLAG)
 
-all: argvfuzz32.so argvfuzz64.so
+all: argvfuzz32.so argvfuzz64.so demo
 
 argvfuzz32.so: argvfuzz.c
 	-@$(CC) $(M32FLAG) $(CFLAGS) $^ $(LDFLAGS) -o $@ 2>/dev/null || echo "argvfuzz32 build failure (that's fine)"