diff --git a/pkgs/applications/editors/eclipse/default.nix b/pkgs/applications/editors/eclipse/default.nix
index d0ac3890d7f..21dad42ea46 100644
--- a/pkgs/applications/editors/eclipse/default.nix
+++ b/pkgs/applications/editors/eclipse/default.nix
@@ -159,7 +159,7 @@ in {
         };
   };
 
-  eclipse_cpp_421 = buildEclipse {
+  eclipse_cpp_42 = buildEclipse {
     name = "eclipse-cpp-4.2";
     description = "Eclipse IDE for C/C++ Developers";
     src =