diff --git a/.github/workflows/python_checks.yaml b/.github/workflows/python_checks.yaml
index 0d63186..43781eb 100644
--- a/.github/workflows/python_checks.yaml
+++ b/.github/workflows/python_checks.yaml
@@ -32,3 +32,6 @@ jobs:
 
       - name: Run tests
         run: pytest --doctest-modules --cov=anybadge --cov-report term --cov-report xml:coverage.xml --cov-report html:htmlcov anybadge tests
+
+      - name: CLI tests
+        run: docker/test/shell_tests.sh
diff --git a/docker/test/shell_tests.sh b/docker/test/shell_tests.sh
index ed055f6..4f47c84 100755
--- a/docker/test/shell_tests.sh
+++ b/docker/test/shell_tests.sh
@@ -1,5 +1,12 @@
 #!/bin/bash
 
+SOURCE_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
+PROJECT_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )/../.." && pwd )"
+
+echo "Running shell tests..."
+echo "Source directory: ${SOURCE_DIR}"
+echo "Project directory: ${PROJECT_DIR}"
+
 source "${SOURCE_DIR:-.}/helpers.sh" || { echo "Failed to load helpers." ; exit 1 ; }
 
 echo -n "Getting installed version... "
diff --git a/tasks/test.py b/tasks/test.py
index b11bbb4..480012f 100644
--- a/tasks/test.py
+++ b/tasks/test.py
@@ -74,6 +74,6 @@ def cli(c, version="latest"):
     shell_test = PROJECT_DIR / Path("docker/test/shell_tests.sh")
 
     subprocess.run(
-        f'SOURCE_DIR="{shell_test.parent}" PROJECT_DIR="{PROJECT_DIR}" {shell_test}',
+        str(shell_test),
         shell=True,
     )