diff --git a/include/state.h b/include/state.h
index 235249d..752db0c 100644
--- a/include/state.h
+++ b/include/state.h
@@ -101,6 +101,9 @@ inline sm_yield sm_continue() { return (sm_yield)_sm_noop; }
 #define SM_YIELD(v) do { state->current->pc = __LINE__; return (sm_yield)(v); case __LINE__:; } while(0)
 #define SM_YIELD_VALUE(v) do { _sm_replace_ip(&state->current->rval, (v)); SM_YIELD(sm_continue()); } while(0)
 
+#define SM_RETURN() SM_YIELD(sm_end())
+#define SM_RETURN_VALUE(v) do { _sm_replace_ip(&state->current->rval, (v)); SM_YIELD(sm_end()); } while(0)
+
 #define SM_GENERATOR(name) sm_yield name(sm_state* state)
 
 // ---
diff --git a/src/main.cpp b/src/main.cpp
index 1c24472..2c8ab7b 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -53,7 +53,7 @@ int main()
 	sm_state_setopt(state, INTERMEDIATE_RETURNS, false);
 
 	sm_output output;
-	int out_int;
+	int out_int=0;
 	while(sm_next(&gen, state, &output)) {
 		if(!sm_output_value(output, &out_int))
 			continue;