diff --git a/src/p_mobj.cpp b/src/p_mobj.cpp
index decb58b3a..f37bd669f 100644
--- a/src/p_mobj.cpp
+++ b/src/p_mobj.cpp
@@ -4259,11 +4259,12 @@ void AActor::SplashCheck()
 
 bool AActor::UpdateWaterLevel(bool dosplash)
 {
+	int oldlevel = waterlevel;
+
 	if (dosplash) SplashCheck();
 
 	double fh = -FLT_MAX;
 	bool reset = false;
-	int oldlevel = waterlevel;
 
 	waterlevel = 0;