diff --git a/src/explode.c b/src/explode.c
index db6cd603e..5bd14673d 100644
--- a/src/explode.c
+++ b/src/explode.c
@@ -259,6 +259,8 @@ explode(
     } else if (olet == SCROLL_CLASS) {
         /* ditto */
         exploding_wand_typ = SCR_FIRE;
+    } else if (olet == TRAP_EXPLODE) {
+        type = 0; /* hardcoded to generic magic explosion */
     }
     /* muse_unslime: SCR_FIRE */
     if (expltype < 0) {