diff --git a/tests/system_properties_test.cpp b/tests/system_properties_test.cpp
index c7bfee6..09eac3f 100644
--- a/tests/system_properties_test.cpp
+++ b/tests/system_properties_test.cpp
@@ -41,9 +41,6 @@
             return;
         }
 
-        old_pa = __system_property_area__;
-        __system_property_area__ = NULL;
-
         pa_dirname = dirname;
         pa_filename = pa_dirname + "/__properties__";
 
@@ -57,9 +54,8 @@
             return;
         }
 
-        __system_property_area__ = old_pa;
-
         __system_property_set_filename(PROP_FILENAME);
+        __system_properties_init();
         unlink(pa_filename.c_str());
         rmdir(pa_dirname.c_str());
     }
@@ -68,7 +64,6 @@
 private:
     std::string pa_dirname;
     std::string pa_filename;
-    void *old_pa;
 };
 
 static void foreach_test_callback(const prop_info *pi, void* cookie) {