diff --git a/test-crates/pyo3-mixed/check_installed/check_installed.py b/test-crates/pyo3-mixed/check_installed/check_installed.py
index 7da3432bb..428b7f811 100755
--- a/test-crates/pyo3-mixed/check_installed/check_installed.py
+++ b/test-crates/pyo3-mixed/check_installed/check_installed.py
@@ -20,35 +20,36 @@
 rust_args = json.loads(rust_args)
 python_args = json.loads(python_args)
 
-# On linux we get sys.executable, windows resolve the path and mac os gives us a third
-# path (
-# {prefix}/Python.framework/Versions/3.10/Resources/Python.app/Contents/MacOS/Python
-# vs
-# {prefix}/Python.framework/Versions/3.10/bin/python3.10
-# on cirrus ci)
-# On windows, cpython resolves while pypy doesn't.
-# The script for cpython is actually a distinct file from the system interpreter for
-# windows and mac
-# On alpine/musl, rust_args is empty
-if len(rust_args) > 0 and platform.system() == "Linux":
-    assert os.path.samefile(rust_args[0], sys.executable), (
-        rust_args,
-        sys.executable,
-        os.path.realpath(rust_args[0]),
-        os.path.realpath(sys.executable),
-    )
-
-# Windows can't decide if it's with or without .exe, FreeBSB just doesn't work for some reason
-if platform.system() in ["Darwin", "Linux"]:
-    # Unix venv layout (and hopefully also on more exotic platforms)
-    print_cli_args = str(Path(sys.prefix).joinpath("bin").joinpath(script_name))
-    assert rust_args[1] == print_cli_args, (rust_args, print_cli_args)
-    assert python_args[0] == print_cli_args, (python_args, print_cli_args)
-
-# FreeBSB just doesn't work for some reason
-if platform.system() in ["Darwin", "Linux", "Windows"]:
-    # Rust contains the python executable as first argument but python does not
-    assert rust_args[2:] == args, rust_args
-    assert python_args[1:] == args, python_args
+# On alpine/musl, rust_args is empty so we skip all tests on musl
+if len(rust_args) > 0:
+    # On linux we get sys.executable, windows resolve the path and mac os gives us a third
+    # path (
+    # {prefix}/Python.framework/Versions/3.10/Resources/Python.app/Contents/MacOS/Python
+    # vs
+    # {prefix}/Python.framework/Versions/3.10/bin/python3.10
+    # on cirrus ci)
+    # On windows, cpython resolves while pypy doesn't.
+    # The script for cpython is actually a distinct file from the system interpreter for
+    # windows and mac
+    if platform.system() == "Linux":
+        assert os.path.samefile(rust_args[0], sys.executable), (
+            rust_args,
+            sys.executable,
+            os.path.realpath(rust_args[0]),
+            os.path.realpath(sys.executable),
+        )
+
+    # Windows can't decide if it's with or without .exe, FreeBSB just doesn't work for some reason
+    if platform.system() in ["Darwin", "Linux"]:
+        # Unix venv layout (and hopefully also on more exotic platforms)
+        print_cli_args = str(Path(sys.prefix).joinpath("bin").joinpath(script_name))
+        assert rust_args[1] == print_cli_args, (rust_args, print_cli_args)
+        assert python_args[0] == print_cli_args, (python_args, print_cli_args)
+
+    # FreeBSB just doesn't work for some reason
+    if platform.system() in ["Darwin", "Linux", "Windows"]:
+        # Rust contains the python executable as first argument but python does not
+        assert rust_args[2:] == args, rust_args
+        assert python_args[1:] == args, python_args
 
 print("SUCCESS")