diff --git a/source/blood/src/nnexts.cpp b/source/blood/src/nnexts.cpp
index 069bfc5f0..0a2c5cb97 100644
--- a/source/blood/src/nnexts.cpp
+++ b/source/blood/src/nnexts.cpp
@@ -1734,8 +1734,8 @@ void useEffectGen(XSPRITE* pXSource, spritetype* pSprite) {
                 break;
             case 3:
             case 4:
-                // if (!sectRangeIsFine(pSprite->sectnum)) f allthrough__; Code is wrong
-                pos = (pXSource->data4 == 3) ? sector[pSprite->sectnum].floorz : sector[pSprite->sectnum].ceilingz;
+                if (!sectRangeIsFine(pSprite->sectnum)) pos = top;
+                else pos = (pXSource->data4 == 3) ? sector[pSprite->sectnum].floorz : sector[pSprite->sectnum].ceilingz;
                 break;
             default:
                 pos = top;