diff --git a/src/hlua.c b/src/hlua.c
index cc88bd1..b929146 100644
--- a/src/hlua.c
+++ b/src/hlua.c
@@ -685,6 +685,9 @@
 	 */
 	lua_sethook(lua->T, hlua_hook, LUA_MASKCOUNT, hlua_nb_instruction);
 
+	/* Remove all flags except the running flags. */
+	lua->flags = HLUA_RUN;
+
 	/* Call the function. */
 	ret = lua_resume(lua->T, gL.T, lua->nargs);
 	switch (ret) {