diff --git a/src/overworld.c b/src/overworld.c
index 223e6e152..2fac455a3 100644
--- a/src/overworld.c
+++ b/src/overworld.c
@@ -403,6 +403,9 @@ static void Overworld_ResetStateAfterWhiteOut(void)
     FlagClear(FLAG_SYS_SAFARI_MODE);
     FlagClear(FLAG_SYS_USE_STRENGTH);
     FlagClear(FLAG_SYS_USE_FLASH);
+    #if VAR_TERRAIN != 0
+        VarSet(VAR_TERRAIN, 0);
+    #endif
     // If you were defeated by Kyogre/Groudon and the step counter has
     // maxed out, end the abnormal weather.
     if (VarGet(VAR_SHOULD_END_ABNORMAL_WEATHER) == 1)