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-rw-r--r--src/script/lua_api/l_env.cpp5
1 files changed, 3 insertions, 2 deletions
diff --git a/src/script/lua_api/l_env.cpp b/src/script/lua_api/l_env.cpp
index 8d50d664d..021ef2ea7 100644
--- a/src/script/lua_api/l_env.cpp
+++ b/src/script/lua_api/l_env.cpp
@@ -751,8 +751,9 @@ int ModApiEnvMod::l_set_timeofday(lua_State *L)
// Do it
float timeofday_f = readParam<float>(L, 1);
- sanity_check(timeofday_f >= 0.0 && timeofday_f <= 1.0);
- int timeofday_mh = (int)(timeofday_f * 24000.0);
+ luaL_argcheck(L, timeofday_f >= 0.0f && timeofday_f <= 1.0f, 1,
+ "value must be between 0 and 1");
+ int timeofday_mh = (int)(timeofday_f * 24000.0f);
// This should be set directly in the environment but currently
// such changes aren't immediately sent to the clients, so call
// the server instead.