diff --git a/credits.txt b/credits.txt
index daac4bbd..978ec6ab 100644
--- a/credits.txt
+++ b/credits.txt
@@ -26,6 +26,7 @@ Contributors:
     Llennpie
     LuigiNoodle
     PeachyPeach
+    PoltixeTheDerg
     s4ys
     sm64rise
     snuffysasa
diff --git a/src/game/behaviors/boulder.inc.c b/src/game/behaviors/boulder.inc.c
index beddd0b7..08fe0ad5 100644
--- a/src/game/behaviors/boulder.inc.c
+++ b/src/game/behaviors/boulder.inc.c
@@ -24,6 +24,11 @@ void boulder_act_1(void) {
 
     if (o->oPosY < -1000.0f)
         o->activeFlags = ACTIVE_FLAG_DEACTIVATED;
+
+    if (o->oBehParams2ndByte == 2 && (sp1E & OBJ_COL_FLAG_HIT_WALL)) {
+        o->activeFlags = ACTIVE_FLAG_DEACTIVATED;
+        obj_explode_and_spawn_coins(46.0f, 1);
+    }
 }
 
 void bhv_big_boulder_loop(void) {