diff --git a/pkgs/development/libraries/qt-5/qtbase-setup-hook.sh b/pkgs/development/libraries/qt-5/qtbase-setup-hook.sh
index e7752af4397..e080d99a4aa 100644
--- a/pkgs/development/libraries/qt-5/qtbase-setup-hook.sh
+++ b/pkgs/development/libraries/qt-5/qtbase-setup-hook.sh
@@ -123,7 +123,7 @@ if [ -z "$NIX_QT5_TMP" ]; then
 
     mkdir -p "$NIX_QT5_TMP/nix-support"
     for subdir in bin include lib mkspecs share; do
-        mkdir "$NIX_QT5_TMP/$subdir"
+        mkdir -p "$NIX_QT5_TMP/$subdir"
         echo "$subdir/" >> "$NIX_QT5_TMP/nix-support/qt-inputs"
     done