diff --git a/pkgs/development/libraries/webkit/default.nix b/pkgs/development/libraries/webkit/default.nix
index 2bb70f998989..4adc75813aac 100644
--- a/pkgs/development/libraries/webkit/default.nix
+++ b/pkgs/development/libraries/webkit/default.nix
@@ -17,7 +17,7 @@ rec {
   configureFlags = [];
 
   /* doConfigure should be specified separately */
-  phaseNames = ["setVars" "paranoidFixComments" "doConfigure" (doPatchShebangs ".") 
+  phaseNames = ["setVars" "fixTypos" "paranoidFixComments" "doConfigure" (doPatchShebangs ".") 
     "doReplaceUsrBin" "doMakeInstall" "doAddPrograms"];
 
   setVars = fullDepEntry (''
@@ -40,6 +40,10 @@ rec {
     sed -re 's@( |^)//.*@/* & */@' -i $(find . -name '*.c' -o -name '*.h')
   '') ["minInit" "doUnpack"];
 
+  fixTypos = fullDepEntry (''
+    sed -e 's@WebCore/workers/DedicatedWorkerThread.h$@& \@' -i WebCore/GNUMakefile
+  '') ["minInit" "doUnpack"];
+
   name = "webkit-" + version;
   meta = {
     description = "WebKit - a fast and correct HTML renderer";