diff --git a/libtransmission/bandwidth.c b/libtransmission/bandwidth.c
index ac7f4d680..b12c273e1 100644
--- a/libtransmission/bandwidth.c
+++ b/libtransmission/bandwidth.c
@@ -119,11 +119,18 @@ tr_bandwidthSetParent( tr_bandwidth  * b,
     assert( tr_isBandwidth( b ) );
     assert( b != parent );
 
+//fprintf( stderr, "setting parent for %p: %p\n", b, parent );
     if( b->parent )
     {
+        void * removed;
+
         assert( tr_isBandwidth( b->parent ) );
 
-        tr_ptrArrayRemoveSorted( &b->parent->children, b, comparePointers );
+        removed = tr_ptrArrayRemoveSorted( &b->parent->children, b, comparePointers );
+        assert( removed == b );
+        assert( tr_ptrArrayFindSorted( &b->parent->children, b, comparePointers ) == NULL );
+//fprintf( stderr, "removed child bandwidth %p from old parent %p\n", b, b->parent );
+
         b->parent = NULL;
     }
 
@@ -133,6 +140,8 @@ tr_bandwidthSetParent( tr_bandwidth  * b,
         assert( parent->parent != b );
 
         tr_ptrArrayInsertSorted( &parent->children, b, comparePointers );
+        assert( tr_ptrArrayFindSorted( &parent->children, b, comparePointers ) == b );
+//fprintf( stderr, "set new parent for %p: %p\n", b, parent );
         b->parent = parent;
     }
 }