diff --git a/python-isort.changes b/python-isort.changes
index dda0bd6..698c5a0 100644
--- a/python-isort.changes
+++ b/python-isort.changes
@@ -1,7 +1,7 @@
 -------------------------------------------------------------------
 Fri Oct  9 16:47:11 UTC 2020 - Benjamin Greiner <code@bnavigator.de>
 
-- Fix wheel building and installation for testing exampleprojects 
+- Fix building and installation of exampleprojects for testing
 
 -------------------------------------------------------------------
 Thu Oct  8 15:56:53 UTC 2020 - Benjamin Greiner <code@bnavigator.de>
diff --git a/python-isort.spec b/python-isort.spec
index 1542a70..38db251 100644
--- a/python-isort.spec
+++ b/python-isort.spec
@@ -91,23 +91,17 @@ chmod -x LICENSE
 %check
 ORIGPATH=$PATH
 %{python_expand # install isort and required example projects into custom root
-exampleprojects="example_shared_isort_profile example_isort_formatting_plugin"
-for eproj in $exampleprojects; do
-  pushd $eproj
-  %pyproject_wheel
-  popd
-  mv $eproj/$eproj*.whl .
-done
 mkdir isort-test-%{$python_bin_suffix}
-for proj in isort $exampleprojects; do
+for proj in isort*.whl ./example_shared_isort_profile ./example_isort_formatting_plugin; do
   $python -m pip install --verbose \
+                         --no-index \
                          --root $(pwd)/isort-test-%{$python_bin_suffix} \
                          --no-deps \
                          --use-pep517 \
                          --no-build-isolation \
                          --progress-bar off \
                          --disable-pip-version-check \
-                         ${proj}*.whl
+                         ${proj}
 done
 
 export PATH="$(pwd)/isort-test-%{$python_bin_suffix}/usr/bin:$ORIGPATH"