diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 4c4ff0b4..e32776a6 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -26,13 +26,8 @@ jobs:
         copy LICENSE src\release\LICENSE.txt
     - name: Install Inno Setup
       run: choco install innosetup
-    - name: Use Qt
-      run: |
-        echo "Qt is installed in ${{ steps.install-qt.outputs.Qt5_DIR }}"
     - name: Create Installer with Inno Setup
       run: ISCC.exe qtpass.iss
-      env:
-        QtDir: ${{ steps.install-qt.outputs.Qt5_DIR }}
     - name: Upload Artifact
       uses: actions/upload-artifact@v3
       with:
diff --git a/qtpass.iss b/qtpass.iss
index 7fa999b4..10f796d6 100644
--- a/qtpass.iss
+++ b/qtpass.iss
@@ -7,7 +7,7 @@
 #define MyAppURL "https://qtpass.org/"
 #define MyAppExeName "qtpass.exe"
 
-#define QtDir GetEnv('QTDIR')
+#define QtDir GetEnv('QT_ROOT_DIR')
 
 [Setup]
 ; NOTE: The value of AppId uniquely identifies this application.