diff --git a/lib/Frontend/InitHeaderSearch.cpp b/lib/Frontend/InitHeaderSearch.cpp
index 6383c20..7a2b3a7 100644
--- a/lib/Frontend/InitHeaderSearch.cpp
+++ b/lib/Frontend/InitHeaderSearch.cpp
@@ -138,6 +138,12 @@
         false);
     AddPath("/usr/include/c++/4.1.3/backward", System, true, false, false);
 
+    // Ubuntu 9.04
+    AddPath("/usr/include/c++/4.3.3", System, true, false, false);
+    AddPath("/usr/include/c++/4.3.3/x86_64-linux-gnu/", System, true, false,
+        false);
+    AddPath("/usr/include/c++/4.3.3/backward", System, true, false, false);
+
     // Fedora 8
     AddPath("/usr/include/c++/4.1.2", System, true, false, false);
     AddPath("/usr/include/c++/4.1.2/i386-redhat-linux", System, true, false,