diff --git a/core/org.eclipse.cdt.ui/plugin.xml b/core/org.eclipse.cdt.ui/plugin.xml
index 4d3e85ba7b8..77603d58d05 100644
--- a/core/org.eclipse.cdt.ui/plugin.xml
+++ b/core/org.eclipse.cdt.ui/plugin.xml
@@ -1309,7 +1309,7 @@
             commandId="org.eclipse.cdt.ui.edit.text.c.goto.matching.bracket"
             schemeId="org.eclipse.ui.defaultAcceleratorConfiguration"/>
      <key
-            sequence="M1+E"
+            sequence="M1+TAB"
             contextId="org.eclipse.cdt.ui.cEditorScope"
             commandId="org.eclipse.cdt.ui.edit.text.c.toggle.source.header"
             schemeId="org.eclipse.ui.defaultAcceleratorConfiguration"/>