diff --git a/tests/strings/strings.cpp b/tests/strings/strings.cpp
index ffeeac6d92..dd3e4a3133 100644
--- a/tests/strings/strings.cpp
+++ b/tests/strings/strings.cpp
@@ -943,9 +943,9 @@ void StringTestCase::ScopedBuffers()
     // but assigning it to wxCharBuffer makes a full copy
     wxCharBuffer buf(sbuf);
     CPPUNIT_ASSERT( buf.data() != literal );
-    CPPUNIT_ASSERT_EQUAL( literal, buf.data() );
+    CPPUNIT_ASSERT_EQUAL( literal, buf );
 
     wxCharBuffer buf2 = sbuf;
     CPPUNIT_ASSERT( buf2.data() != literal );
-    CPPUNIT_ASSERT_EQUAL( literal, buf2.data() );
+    CPPUNIT_ASSERT_EQUAL( literal, buf );
 }