diff --git a/pkgs/development/libraries/qt-5/5.10/default.nix b/pkgs/development/libraries/qt-5/5.10/default.nix
index eeff3456833..63d50c19a19 100644
--- a/pkgs/development/libraries/qt-5/5.10/default.nix
+++ b/pkgs/development/libraries/qt-5/5.10/default.nix
@@ -37,7 +37,9 @@ let
   srcs = import ./srcs.nix { inherit fetchurl; inherit mirror; };
 
   patches = {
-    qtbase = [ ./qtbase.patch ] ++ optional stdenv.isDarwin ./qtbase-darwin.patch;
+    qtbase = [ ./qtbase.patch ] ++
+      optionals stdenv.isDarwin [ ./qtbase-darwin.patch
+                                  ./restore-pc-files.patch ];
     qtdeclarative = [ ./qtdeclarative.patch ];
     qtscript = [ ./qtscript.patch ];
     qtserialport = [ ./qtserialport.patch ];
diff --git a/pkgs/development/libraries/qt-5/5.10/restore-pc-files.patch b/pkgs/development/libraries/qt-5/5.10/restore-pc-files.patch
new file mode 100644
index 00000000000..a2355549d4a
--- /dev/null
+++ b/pkgs/development/libraries/qt-5/5.10/restore-pc-files.patch
@@ -0,0 +1,15 @@
+Partially reverts <https://codereview.qt-project.org/#/c/140954/>.
+
+diff --git i/mkspecs/features/qt_module.prf w/mkspecs/features/qt_module.prf
+index bb28af97..36bb6483 100644
+--- i/mkspecs/features/qt_module.prf
++++ w/mkspecs/features/qt_module.prf
+@@ -245,7 +245,7 @@ load(qt_installs)
+ load(qt_targets)
+
+ # this builds on top of qt_common
+-!internal_module:!lib_bundle:if(unix|mingw) {
++!internal_module:if(unix|mingw) {
+     CONFIG += create_pc
+     QMAKE_PKGCONFIG_DESTDIR = pkgconfig
+     host_build: \
\ No newline at end of file