diff --git a/boot/freeldr/freeldr/ntldr/arch/i386/winldr.c b/boot/freeldr/freeldr/ntldr/arch/i386/winldr.c
index 4f70cf323bf..a87e1a28f91 100644
--- a/boot/freeldr/freeldr/ntldr/arch/i386/winldr.c
+++ b/boot/freeldr/freeldr/ntldr/arch/i386/winldr.c
@@ -676,7 +676,7 @@ WinLdrSetProcessorContext(void)
     __lidt(&IdtDesc);
 
     /* Jump to proper CS and clear prefetch queue */
-#if defined(__GNUC__)
+#if defined(__GNUC__) || defined(__clang__)
     asm("ljmp    $0x08, $1f\n"
         "1:\n");
 #elif defined(_MSC_VER)
diff --git a/drivers/network/dd/netkvm/Common/ParaNdis-Oid.c b/drivers/network/dd/netkvm/Common/ParaNdis-Oid.c
index 8d54b445dca..0adfc4bc06f 100644
--- a/drivers/network/dd/netkvm/Common/ParaNdis-Oid.c
+++ b/drivers/network/dd/netkvm/Common/ParaNdis-Oid.c
@@ -236,7 +236,7 @@ NDIS_STATUS ParaNdis_OidQueryCommon(PARANDIS_ADAPTER *pContext, tOidDesc *pOid)
         USHORT                                  us;
         NDIS_PNP_CAPABILITIES                   PMCaps;
     } u;
-#if defined(_MSC_VER)
+#if defined(_MSC_VER) && !defined(__clang__)
     #define CONCATFIELD(object, field) object.##field
 #else
     #define CONCATFIELD(object, field) object.field
diff --git a/modules/rostests/apitests/atl/CHeapPtrList.cpp b/modules/rostests/apitests/atl/CHeapPtrList.cpp
index 41da433b427..43b0d3e21d6 100644
--- a/modules/rostests/apitests/atl/CHeapPtrList.cpp
+++ b/modules/rostests/apitests/atl/CHeapPtrList.cpp
@@ -102,7 +102,7 @@ START_TEST(CHeapPtrList)
         ok(g_OpenAllocations == 1, "Expected there to be 1 allocations, was: %ld\n", g_OpenAllocations);
         Ptr = test_Alloc(0x22222222);
         ok(g_OpenAllocations == 2, "Expected there to be 1 allocations, was: %ld\n", g_OpenAllocations);
-#ifdef _MSC_VER
+#if defined(_MSC_VER) && !defined(__clang__)
         heapPtr1.AddTail(CComHeapPtr<DWORD>(Ptr));
 #else
         CComHeapPtr<DWORD> xxx(Ptr);