diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 7cd07b1..2a31da2 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -40,7 +40,11 @@ jobs:
       env:
         EXECUTING_SLOW_TESTS: 1
       run: |
-        coverage run --include=executing/executing.py --append -m pytest tests
+        # COVERAGE_PROCESS_START defines the path to the coverage config for coverage-enable-subprocess
+        export COVERAGE_PROCESS_START=${GITHUB_WORKSPACE}/setup.cfg
+        coverage run -m pytest tests
+        # combine the coverage of all subprocesses
+        coverage combine
         coverage report -m
     - name: Coveralls Python
       uses: AndreMiras/coveralls-python-action@v20201129
diff --git a/setup.cfg b/setup.cfg
index d22b4e2..3ee513e 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -32,7 +32,10 @@ install_requires =
 [options.extras_require]
 tests=
     asttokens>=2.1.0
+    ipython
     pytest
+    coverage
+    coverage-enable-subprocess
     littleutils
     rich; python_version >='3.11'
 
@@ -41,6 +44,9 @@ executing = py.typed
 
 [coverage:run]
 relative_files = True
+include = executing/executing.py
+parallel = true
+branch = true
 
 [bdist_wheel]
 universal=1
diff --git a/tests/test_ipython.py b/tests/test_ipython.py
new file mode 100644
index 0000000..dbdd662
--- /dev/null
+++ b/tests/test_ipython.py
@@ -0,0 +1,41 @@
+import subprocess as sp
+import sys
+import pytest
+
+
+def run(input):
+    p = sp.run(
+        [sys.executable, "-m", "IPython", "--colors=nocolor", "--simple-prompt"],
+        input=input.encode("utf8"),
+        stdout=sp.PIPE,
+    )
+    output = p.stdout.decode("utf8")
+    print(output)
+    return output
+
+
+test_function_code = """
+from executing import Source
+import inspect
+import ast
+
+def test():
+    frame = inspect.currentframe()
+    ex = Source.executing(frame.f_back)
+    print(ex.node)
+    if not isinstance(ex.node,ast.Call):
+        print("test failure")
+    if not ex.node.func.id=="test":
+        print("test failure")
+
+"""
+
+
+def test_one_lookup():
+    p = run(test_function_code + "test()")
+    assert "test failure" not in p
+
+
+def test_two_statement_lookups():
+    p = run(test_function_code + "test();test()")
+    assert "test failure" in p