diff --git a/dll.cpp b/dll.cpp
index 9efaec78..24edf140 100644
--- a/dll.cpp
+++ b/dll.cpp
@@ -23,22 +23,6 @@ NAMESPACE_BEGIN(CryptoPP)
 template<> const byte PKCS_DigestDecoration<SHA>::decoration[] = {0x30,0x21,0x30,0x09,0x06,0x05,0x2B,0x0E,0x03,0x02,0x1A,0x05,0x00,0x04,0x14};
 template<> const unsigned int PKCS_DigestDecoration<SHA>::length = sizeof(PKCS_DigestDecoration<SHA>::decoration);
 
-static const byte s_moduleMac[CryptoPP::HMAC<CryptoPP::SHA1>::DIGESTSIZE] = "reserved for mac";
-#ifdef CRYPTOPP_WIN32_AVAILABLE
-static HMODULE s_hModule = NULL;
-#endif
-
-void DoDllPowerUpSelfTest()
-{
-#ifdef CRYPTOPP_WIN32_AVAILABLE
-	char moduleFileName[MAX_PATH];
-	GetModuleFileNameA(s_hModule, moduleFileName, sizeof(moduleFileName));
-	CryptoPP::DoPowerUpSelfTest(moduleFileName, s_moduleMac);
-#else
-	throw NotImplemented("DoDllPowerUpSelfTest() only available on Windows");
-#endif
-}
-
 NAMESPACE_END
 
 #endif
@@ -127,16 +111,4 @@ void CRYPTOPP_CDECL operator delete (void * p)
 	s_pDelete(p);
 }
 
-BOOL APIENTRY DllMain(HANDLE hModule, 
-                      DWORD  ul_reason_for_call, 
-                      LPVOID lpReserved)
-{
-	if (ul_reason_for_call == DLL_PROCESS_ATTACH)
-	{
-		s_hModule = (HMODULE)hModule;
-		DoDllPowerUpSelfTest();
-	}
-    return TRUE;
-}
-
 #endif	// #ifdef CRYPTOPP_EXPORTS
diff --git a/dll.h b/dll.h
index 4bf44ee5..0a175503 100644
--- a/dll.h
+++ b/dll.h
@@ -61,8 +61,6 @@ typedef void (CRYPTOPP_CDECL * PGetNewAndDelete)(PNew &, PDelete &);
 typedef new_handler (CRYPTOPP_CDECL * PSetNewHandler)(new_handler);
 typedef void (CRYPTOPP_CDECL * PSetNewAndDelete)(PNew, PDelete, PSetNewHandler);
 
-CRYPTOPP_DLL void DoDllPowerUpSelfTest();
-
 NAMESPACE_END
 
 #endif
diff --git a/fips140.h b/fips140.h
index 8d255cf7..d792c308 100644
--- a/fips140.h
+++ b/fips140.h
@@ -26,6 +26,9 @@ enum PowerUpSelfTestStatus {POWER_UP_SELF_TEST_NOT_DONE, POWER_UP_SELF_TEST_FAIL
 //! perform the power-up self test, and set the self test status
 CRYPTOPP_DLL void DoPowerUpSelfTest(const char *moduleFilename, const byte *expectedModuleMac);
 
+//! perform the power-up self test using the filename of this DLL and the embedded module MAC
+CRYPTOPP_DLL void DoDllPowerUpSelfTest();
+
 //! set the power-up self test status to POWER_UP_SELF_TEST_FAILED
 CRYPTOPP_DLL void SimulatePowerUpSelfTestFailure();
 
diff --git a/fipstest.cpp b/fipstest.cpp
index ae277ebf..f4fb694b 100644
--- a/fipstest.cpp
+++ b/fipstest.cpp
@@ -474,6 +474,44 @@ done:
 	return;
 }
 
+#ifdef CRYPTOPP_WIN32_AVAILABLE
+
+static const byte s_moduleMac[CryptoPP::HMAC<CryptoPP::SHA1>::DIGESTSIZE] = "reserved for mac";
+static HMODULE s_hModule = NULL;
+
+void DoDllPowerUpSelfTest()
+{
+	char moduleFileName[MAX_PATH];
+	GetModuleFileNameA(s_hModule, moduleFileName, sizeof(moduleFileName));
+	CryptoPP::DoPowerUpSelfTest(moduleFileName, s_moduleMac);
+}
+
+#else
+
+void DoDllPowerUpSelfTest()
+{
+	throw NotImplemented("DoDllPowerUpSelfTest() only available on Windows");
+}
+
+#endif	// #ifdef CRYPTOPP_WIN32_AVAILABLE
+
 NAMESPACE_END
 
-#endif
+#ifdef CRYPTOPP_WIN32_AVAILABLE
+
+// DllMain needs to be in the global namespace
+BOOL APIENTRY DllMain(HANDLE hModule, 
+                      DWORD  ul_reason_for_call, 
+                      LPVOID lpReserved)
+{
+	if (ul_reason_for_call == DLL_PROCESS_ATTACH)
+	{
+		CryptoPP::s_hModule = (HMODULE)hModule;
+		CryptoPP::DoDllPowerUpSelfTest();
+	}
+    return TRUE;
+}
+
+#endif	// #ifdef CRYPTOPP_WIN32_AVAILABLE
+
+#endif	// #ifndef CRYPTOPP_IMPORTS