1 files changed, 5 insertions, 0 deletions
diff --git a/pkgs/development/libraries/qt-5/hooks/qmake-hook.sh b/pkgs/development/libraries/qt-5/hooks/qmake-hook.sh
index 741225a5aa8..0d30f0e2665 100644
--- a/pkgs/development/libraries/qt-5/hooks/qmake-hook.sh
+++ b/pkgs/development/libraries/qt-5/hooks/qmake-hook.sh
@@ -38,6 +38,11 @@ qmakeConfigurePhase() {
         echo "qmake: enabled parallel building"
     fi
 
+    if ! [[ -v enableParallelInstalling ]]; then
+        enableParallelInstalling=1
+        echo "qmake: enabled parallel installing"
+    fi
+
     runHook postConfigure
 }