diff --git a/src/common/2d/v_draw.cpp b/src/common/2d/v_draw.cpp
index fbf28a0b002..55521e78b18 100644
--- a/src/common/2d/v_draw.cpp
+++ b/src/common/2d/v_draw.cpp
@@ -1624,4 +1624,4 @@ DEFINE_ACTION_FUNCTION(_Screen, SetOffset)
 	PARAM_FLOAT(x);
 	PARAM_FLOAT(y);
 	ACTION_RETURN_VEC2(twod->SetOffset(DVector2(x, y)));
-}
+}
\ No newline at end of file
diff --git a/src/playsim/p_effect.cpp b/src/playsim/p_effect.cpp
index 000cc0fee37..23a541ba65d 100644
--- a/src/playsim/p_effect.cpp
+++ b/src/playsim/p_effect.cpp
@@ -440,6 +440,7 @@ void P_RunEffect (AActor *actor, int effects)
 			  &grey4,	&white
 			};
 		int color = actor->fountaincolor*2;
+		if (color < 0 || color >= 16) color = 0;
 		MakeFountain (actor, *fountainColors[color], *fountainColors[color+1]);
 	}
 	if (effects & FX_RESPAWNINVUL)