diff --git a/reapi/include/cssdk/dlls/gamerules.h b/reapi/include/cssdk/dlls/gamerules.h
index 5755581..6778601 100644
--- a/reapi/include/cssdk/dlls/gamerules.h
+++ b/reapi/include/cssdk/dlls/gamerules.h
@@ -55,7 +55,8 @@
 
 enum
 {
-	WINSTATUS_CTS = 1,
+	WINSTATUS_NONE = 0,
+	WINSTATUS_CTS,
 	WINSTATUS_TERRORISTS,
 	WINSTATUS_DRAW,
 };
diff --git a/reapi/src/natives/natives_misc.cpp b/reapi/src/natives/natives_misc.cpp
index e159cdc..456a1df 100644
--- a/reapi/src/natives/natives_misc.cpp
+++ b/reapi/src/natives/natives_misc.cpp
@@ -421,8 +421,9 @@ cell AMX_NATIVE_CALL rg_round_end(AMX *amx, cell *params)
 	CHECK_GAMERULES();
 
 	auto winstatus = params[arg_win];
-	if (winstatus <= 0) {
-		AMXX_LogError(amx, AMX_ERR_NATIVE, "%s: unknown win status %i", __FUNCTION__, winstatus);
+
+	if (winstatus < WINSTATUS_NONE || winstatus > WINSTATUS_DRAW) {
+		AMXX_LogError(amx, AMX_ERR_NATIVE, "%s: invalid winstatus %i, bounds(%i, %i)", __FUNCTION__, winstatus, WINSTATUS_NONE, WINSTATUS_DRAW);
 		return FALSE;
 	}