diff --git a/lsyncd.c b/lsyncd.c
index 8fac8ac..31540f2 100644
--- a/lsyncd.c
+++ b/lsyncd.c
@@ -488,8 +488,8 @@ static void safeexit (lua_State *L, int exitcode) {
 	lua_remove( L, -2 );
 	lua_pushinteger(L, exitcode);
     lua_call(L, 2, 1);
-	if (lua_isinteger(L, -1)) {
-		exitcode = luaL_checkinteger(L, -1);
+	if (lua_isnumber(L, -1)) {
+		exitcode = luaL_checkint(L, -1);
 	}
     exit(exitcode);
 }
@@ -1131,8 +1131,8 @@ l_now(lua_State *L)
 static int
 l_kill( lua_State *L )
 {
-	pid_t pid = luaL_checkinteger( L, 1 );
-	int sig = luaL_checkinteger( L, 2 );
+	pid_t pid = luaL_checkint( L, 1 );
+	int sig = luaL_checkint( L, 2 );
 
 	int rv = kill(pid, sig );
 
@@ -1692,7 +1692,7 @@ l_readdir( lua_State *L )
 int
 l_terminate( lua_State *L )
 {
-	int exitcode = luaL_checkinteger( L, 1 );
+	int exitcode = luaL_checkint( L, 1 );
 
 	exit( exitcode );