diff --git a/core/org.eclipse.cdt.core/plugin.xml b/core/org.eclipse.cdt.core/plugin.xml
index a232c363328..6381bbf9bc1 100644
--- a/core/org.eclipse.cdt.core/plugin.xml
+++ b/core/org.eclipse.cdt.core/plugin.xml
@@ -479,6 +479,13 @@
       </super>
    </extension>
 
+<!-- =================================================================================== -->
+<!-- .cproject Content Type                                                              -->
+<!-- =================================================================================== -->
+   <extension point="org.eclipse.core.contenttype.contentTypes">
+      <file-association content-type="org.eclipse.core.runtime.xml" file-names=".cproject"/>
+   </extension>
+
 <!-- =================================================================================== -->
 <!-- Define C/C++ files ContentTypes                                                     -->
 <!-- =================================================================================== -->