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-rw-r--r--src/Fl_Tree_Item.cxx2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/Fl_Tree_Item.cxx b/src/Fl_Tree_Item.cxx
index 901eee6c9..17b33d85c 100644
--- a/src/Fl_Tree_Item.cxx
+++ b/src/Fl_Tree_Item.cxx
@@ -549,7 +549,7 @@ int Fl_Tree_Item::move(Fl_Tree_Item *item, int op, int pos) {
} else { // different parent?
if ( to > to_parent->children() ) // try to prevent a reparent() error
return -4;
- if ( from_parent->deparent(from) < 0 ) // deparent self from current parent
+ if ( from_parent->deparent(from) == NULL ) // deparent self from current parent
return -5;
if ( to_parent->reparent(this, to) < 0 ) { // reparent self to new parent at position 'to'
to_parent->reparent(this, 0); // failed? shouldn't happen, reparent at 0