diff --git a/pkgs/development/libraries/qt-5/5.8/qtwebengine/default.nix b/pkgs/development/libraries/qt-5/5.8/qtwebengine/default.nix
index ec3f9061f795f0..9d63f848cba8fc 100644
--- a/pkgs/development/libraries/qt-5/5.8/qtwebengine/default.nix
+++ b/pkgs/development/libraries/qt-5/5.8/qtwebengine/default.nix
@@ -27,9 +27,9 @@ qtSubmodule {
     export MAKEFLAGS=-j$NIX_BUILD_CORES
     substituteInPlace ./src/3rdparty/chromium/build/common.gypi \
       --replace /bin/echo ${coreutils}/bin/echo
-    substituteInPlace ./src/3rdparty/chromium/v8/build/toolchain.gypi \
+    substituteInPlace ./src/3rdparty/chromium/v8/gypfiles/toolchain.gypi \
       --replace /bin/echo ${coreutils}/bin/echo
-    substituteInPlace ./src/3rdparty/chromium/v8/build/standalone.gypi \
+    substituteInPlace ./src/3rdparty/chromium/v8/gypfiles/standalone.gypi \
       --replace /bin/echo ${coreutils}/bin/echo
 
     # fix default SSL bundle location
diff --git a/pkgs/development/libraries/qt-5/5.8/qtwebengine/qtwebengine-paxmark-mksnapshot.patch b/pkgs/development/libraries/qt-5/5.8/qtwebengine/qtwebengine-paxmark-mksnapshot.patch
index b3316188f7d9f8..49d4c4f042b601 100644
--- a/pkgs/development/libraries/qt-5/5.8/qtwebengine/qtwebengine-paxmark-mksnapshot.patch
+++ b/pkgs/development/libraries/qt-5/5.8/qtwebengine/qtwebengine-paxmark-mksnapshot.patch
@@ -1,5 +1,5 @@
---- qtwebengine-opensource-src-5.6.0-orig/src/3rdparty/chromium/v8/tools/gyp/v8.gyp	2016-03-04 01:48:36.000000000 +1100
-+++ qtwebengine-opensource-src-5.6.0/src/3rdparty/chromium/v8/tools/gyp/v8.gyp	2016-05-01 19:15:44.052770543 +1000
+--- qtwebengine-opensource-src-5.8.0-orig/src/3rdparty/chromium/v8/src/v8.gyp	2016-03-04 01:48:36.000000000 +1100
++++ qtwebengine-opensource-src-5.8.0/src/3rdparty/chromium/v8/src/v8.gyp	2016-05-01 19:15:44.052770543 +1000
 @@ -33,6 +33,7 @@
      'embed_script%': "",
      'v8_extra_library_files%': [],