Fixes crash on update

BarbaraVujicic · Sep 29, 2017 · 96d75a4 · 96d75a4
1 parent 1e2b513
commit 96d75a4
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/XLForm/XL/Controllers/XLFormViewController.m b/XLForm/XL/Controllers/XLFormViewController.m
@@ -314,8 +314,8 @@ -(void)formRowDescriptorPredicateHasChanged:(XLFormRowDescriptor *)formRow oldVa
 
 -(void)updateAfterDependentRowChanged:(XLFormRowDescriptor *)formRow
 {
-    NSMutableArray* revaluateHidden   = self.form.rowObservers[[formRow.tag formKeyForPredicateType:XLPredicateTypeHidden]];
-    NSMutableArray* revaluateDisabled = self.form.rowObservers[[formRow.tag formKeyForPredicateType:XLPredicateTypeDisabled]];
+    NSMutableArray* revaluateHidden   = [self.form.rowObservers[[formRow.tag formKeyForPredicateType:XLPredicateTypeHidden]] copy];
+    NSMutableArray* revaluateDisabled = [self.form.rowObservers[[formRow.tag formKeyForPredicateType:XLPredicateTypeDisabled]] copy];
     for (id object in revaluateDisabled) {
         if ([object isKindOfClass:[NSString class]]) {
             XLFormRowDescriptor* row = [self.form formRowWithTag:object];