diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 5bc797745..8fb0559b5 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -58,6 +58,7 @@ jobs:
         with:
           python-version: ${{ matrix.py }}
       - name: Install sox
+        if: ${{ matrix.os == "ubuntu-latest" }}
         run: sudo apt-get install sox
       - name: Install tox
         run: python -m pip install tox-gh>=1.2
diff --git a/cython/test/endpointer_test.py b/cython/test/endpointer_test.py
index 8e09a4f92..18bee77c9 100644
--- a/cython/test/endpointer_test.py
+++ b/cython/test/endpointer_test.py
@@ -243,11 +243,14 @@ def srtest(self, sample_rate):
                         idx += 1
 
     def testEndpointer(self):
-        set_loglevel("INFO")
-        # 8000, 44100, 48000 give slightly different results unfortunately
-        for sample_rate in 11025, 16000, 22050, 32000:
-            print(sample_rate)
-            self.srtest(sample_rate)
+        try:
+            set_loglevel("INFO")
+            # 8000, 44100, 48000 give slightly different results unfortunately
+            for sample_rate in 11025, 16000, 22050, 32000:
+                print(sample_rate)
+                self.srtest(sample_rate)
+        except OSError as err:
+            self.skipTest("sox not installed: %s" % err)
 
 
 if __name__ == "__main__":