diff --git a/tests/ansible/integration/interpreter_discovery/complex_args.yml b/tests/ansible/integration/interpreter_discovery/complex_args.yml
index 89ab1403..9bb84f04 100644
--- a/tests/ansible/integration/interpreter_discovery/complex_args.yml
+++ b/tests/ansible/integration/interpreter_discovery/complex_args.yml
@@ -11,9 +11,18 @@
         path: /tmp/fake
         state: touch
 
+    # TODO: this works in Mac 10.15 because sh defaults to bash
+    # but due to Mac SIP we can't write to /bin so we can't change
+    # /bin/sh to point to /bin/bash
+    # Mac 10.15 is failing python interpreter discovery tests from ansible 2.8.8
+    # because Mac doesn't make default python /usr/bin/python anymore
+    # so for now, can't use `source` since it's a bash builtin
+    # - name: set python using sourced file
+    #   set_fact:
+    #     special_python: source /tmp/fake && python
     - name: set python using sourced file
       set_fact:
-        special_python: source /tmp/fake && python
+        special_python: source /tmp/fake || true && python
 
     - name: run get_url with specially-sourced python
       get_url: