diff --git a/Samples/CredentialProvider/cpp/helpers.cpp b/Samples/CredentialProvider/cpp/helpers.cpp
index 9f7dcc3f..dfa02ceb 100644
--- a/Samples/CredentialProvider/cpp/helpers.cpp
+++ b/Samples/CredentialProvider/cpp/helpers.cpp
@@ -580,7 +580,7 @@ HRESULT KerbInteractiveUnlockLogonRepackNative(
                 }
                 else
                 {
-                    hr = GetLastError();
+                    hr = HRESULT_FROM_WIN32(GetLastError());
                 }
             }
         }
@@ -707,4 +707,4 @@ HRESULT SplitDomainAndUsername(_In_ PCWSTR pszQualifiedUserName, _Outptr_result_
         }
     }
     return hr;
-}
\ No newline at end of file
+}
diff --git a/Samples/Win7Samples/security/credentialproviders/helpers/helpers.cpp b/Samples/Win7Samples/security/credentialproviders/helpers/helpers.cpp
index 4b5c661f..9e3d6a49 100644
--- a/Samples/Win7Samples/security/credentialproviders/helpers/helpers.cpp
+++ b/Samples/Win7Samples/security/credentialproviders/helpers/helpers.cpp
@@ -574,7 +574,7 @@ HRESULT KerbInteractiveUnlockLogonRepackNative(
                 }
                 else
                 {
-                    hr = GetLastError();
+                    hr = HRESULT_FROM_WIN32(GetLastError());
                 }
             }
         }