diff --git a/MdePkg/Library/BaseMemoryLibMmx/Ia32/SetMem32.asm b/MdePkg/Library/BaseMemoryLibMmx/Ia32/SetMem32.asm
index c2e4869e47..2080966dca 100644
--- a/MdePkg/Library/BaseMemoryLibMmx/Ia32/SetMem32.asm
+++ b/MdePkg/Library/BaseMemoryLibMmx/Ia32/SetMem32.asm
@@ -38,7 +38,7 @@
 InternalMemSetMem32 PROC
     mov     eax, [esp + 4]              ; eax <- Buffer as return value
     mov     ecx, [esp + 8]              ; ecx <- Count
-    movd    mm0, [esp + 12]             ; mm0 <- Value
+    movd    mm0, dword ptr [esp + 12]             ; mm0 <- Value
     shr     ecx, 1                      ; ecx <- number of qwords to set
     mov     edx, eax                    ; edx <- Buffer
     jz      @SetDwords
@@ -46,12 +46,12 @@ InternalMemSetMem32 PROC
     psllq   mm1, 32
     por     mm0, mm1
 @@:
-    movq    [edx], mm0
+    movq    qword ptr [edx], mm0
     lea     edx, [edx + 8]              ; use "lea" to avoid change in flags
     loop    @B
 @SetDwords:
     jnc     @F
-    movd    [edx], mm0
+    movd    dword ptr [edx], mm0
 @@:
     ret
 InternalMemSetMem32 ENDP
diff --git a/MdePkg/Library/BaseMemoryLibSse2/Ia32/SetMem64.asm b/MdePkg/Library/BaseMemoryLibSse2/Ia32/SetMem64.asm
index 69406707a6..5fa178caaf 100644
--- a/MdePkg/Library/BaseMemoryLibSse2/Ia32/SetMem64.asm
+++ b/MdePkg/Library/BaseMemoryLibSse2/Ia32/SetMem64.asm
@@ -40,9 +40,9 @@ InternalMemSetMem64 PROC
     mov     ecx, [esp + 8]              ; ecx <- Count
     test    al, 8
     mov     edx, eax
-    movq    xmm0, [esp + 12]
+    movq    xmm0, qword ptr [esp + 12]
     jz      @F
-    movq    [edx], xmm0
+    movq    qword ptr [edx], xmm0
     add     edx, 8
     dec     ecx
 @@:
@@ -56,7 +56,7 @@ InternalMemSetMem64 PROC
     mfence
 @SetQwords:
     jnc     @F
-    movq    [edx], xmm0
+    movq    qword ptr [edx], xmm0
 @@:
     ret
 InternalMemSetMem64 ENDP