diff --git a/medical/module/medical_wound.zsc b/medical/module/medical_wound.zsc
index 8b58b2c..37f4489 100644
--- a/medical/module/medical_wound.zsc
+++ b/medical/module/medical_wound.zsc
@@ -261,7 +261,8 @@ extend class UaS_Wound {
 		BP.Flags = SPF_REPLACE;
 		BP.FadeStep = 0;
 		BP.Style = STYLE_Normal;
-		BP.StartAlpha = min(1, max((depth/width), 0.3));
+		if (width > 0.) { BP.StartAlpha = min(1, max((depth / width), 0.3)); }
+		else { BP.StartAlpha = 0.3; }
 		level.SpawnParticle(BP);
 
 		// Do appearing and drops running down body