diff --git a/Modules/zipimport.c b/Modules/zipimport.c
index 8fe919539fdfffd7b1e13be5002c443cfdac4f8e..80822b66b3b80d98effd0cb303fca8fba75d2f7b 100644
--- a/Modules/zipimport.c
+++ b/Modules/zipimport.c
@@ -1275,22 +1275,18 @@ normalize_line_endings(PyObject *source)
 static PyObject *
 compile_source(PyObject *pathname, PyObject *source)
 {
-    PyObject *code, *fixed_source, *pathbytes;
-
-    pathbytes = PyUnicode_EncodeFSDefault(pathname);
-    if (pathbytes == NULL)
-        return NULL;
+    PyObject *code, *fixed_source;
 
     fixed_source = normalize_line_endings(source);
     if (fixed_source == NULL) {
-        Py_DECREF(pathbytes);
         return NULL;
     }
 
-    code = Py_CompileString(PyBytes_AsString(fixed_source),
-                            PyBytes_AsString(pathbytes),
-                            Py_file_input);
-    Py_DECREF(pathbytes);
+    code = Py_CompileStringObject(PyBytes_AsString(fixed_source),
+                            pathname,
+                            Py_file_input,
+                            NULL,  /* No flags */
+                            -1);  /* Use default optimize value */
     Py_DECREF(fixed_source);
     return code;
 }