diff --git a/.github/workflows/mypytest.yml b/.github/workflows/mypytest.yml
index 4e18413..108b738 100644
--- a/.github/workflows/mypytest.yml
+++ b/.github/workflows/mypytest.yml
@@ -56,8 +56,8 @@ jobs:
             py -${{ matrix.python-version}}-32 setup.py install
             py -${{ matrix.python-version}}-64 setup.py install
 
-      - name: Installing pytest
-        run: py -${{ matrix.python-version}}-${{ matrix.python-bitness-to-test}} -m pip install pytest
+      - name: Installing pytest & capstone-windows
+        run: py -${{ matrix.python-version}}-${{ matrix.python-bitness-to-test}} -m pip install pytest capstone-windows
 
       # Testing
       - name: Testing
diff --git a/tests/pfwtest.py b/tests/pfwtest.py
index 2674bdd..d568106 100644
--- a/tests/pfwtest.py
+++ b/tests/pfwtest.py
@@ -53,7 +53,7 @@ def check_injected_python_installed(request):
         raise ValueError("Could not find the fixture name of the injected python")
     procparam = procparams[0]
     proc = request.getfixturevalue(procparam)
-    if not python_is_installed[proc.bitness]:
+    if not windows.injection.find_python_dll_to_inject(proc.bitness):
         pytest.skip("Python {0}b not installed -> skipping test with python injection into {0}b process".format(proc.bitness))
     return None