diff --git a/libmeminfo_test.cpp b/libmeminfo_test.cpp
index 6d73173..e28c352 100644
--- a/libmeminfo_test.cpp
+++ b/libmeminfo_test.cpp
@@ -142,7 +142,7 @@
 
 TEST_F(ValidateProcMemInfoWss, TestWorkingTestReset) {
     // Expect reset to succeed
-    EXPECT_TRUE(proc_mem->WssReset());
+    EXPECT_TRUE(ProcMemInfo::ResetWorkingSet(pid));
 }
 
 TEST_F(ValidateProcMemInfoWss, TestWssEquality) {