1 files changed, 5 insertions, 0 deletions
diff --git a/plugins/org.eclipse.emf.cdo.ui.ide/src/org/eclipse/emf/cdo/ui/internal/ide/actions/CreateBranchActionDelegate.java b/plugins/org.eclipse.emf.cdo.ui.ide/src/org/eclipse/emf/cdo/ui/internal/ide/actions/CreateBranchActionDelegate.java
index e1861f053a..f2c2a608f2 100644
--- a/plugins/org.eclipse.emf.cdo.ui.ide/src/org/eclipse/emf/cdo/ui/internal/ide/actions/CreateBranchActionDelegate.java
+++ b/plugins/org.eclipse.emf.cdo.ui.ide/src/org/eclipse/emf/cdo/ui/internal/ide/actions/CreateBranchActionDelegate.java
@@ -70,6 +70,11 @@ public class CreateBranchActionDelegate extends LongRunningActionDelegate
         return "Branch name cannot be empty";
       }
 
+      if (newText.contains(CDOBranch.PATH_SEPARATOR))
+      {
+        return "Branch name cannot contain path separators";
+      }
+
       BranchNode branchNode = UIUtil.getElement(getSelection(), BranchNode.class);
       CDOBranch branch = branchNode.getBranch();
       if (branch.getBranch(newText) != null)