diff --git a/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/search/actions/OpenDeclarationsAction.java b/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/search/actions/OpenDeclarationsAction.java
index 51c425ccca8..3cea8cda01f 100644
--- a/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/search/actions/OpenDeclarationsAction.java
+++ b/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/search/actions/OpenDeclarationsAction.java
@@ -123,10 +123,10 @@ public class OpenDeclarationsAction extends SelectionParseAction {
 							}
 						}
 					}
-				} catch (CoreException e) {
-					CUIPlugin.getDefault().log(e);
+				} finally {
+					index.releaseReadLock();
 				}
-					
+
 				return Status.OK_STATUS;
 			} catch (CoreException e) {
 				return e.getStatus();