diff --git a/IntelFrameworkModulePkg/Bus/Isa/Ps2MouseAbsolutePointerDxe/CommPs2.c b/IntelFrameworkModulePkg/Bus/Isa/Ps2MouseAbsolutePointerDxe/CommPs2.c
index 1b753006dc..a809506498 100644
--- a/IntelFrameworkModulePkg/Bus/Isa/Ps2MouseAbsolutePointerDxe/CommPs2.c
+++ b/IntelFrameworkModulePkg/Bus/Isa/Ps2MouseAbsolutePointerDxe/CommPs2.c
@@ -312,7 +312,7 @@ PS2MouseSetScaling (
 {
   UINT8 Command;
 
-  Command = (UINT8) (Scaling == SF1 ? SETSF1_CMD : SETSF2_CMD);
+  Command = (UINT8) (Scaling == Scaling1 ? SETSF1_CMD : SETSF2_CMD);
 
   //
   // Send auxiliary command to set mouse scaling data
diff --git a/IntelFrameworkModulePkg/Bus/Isa/Ps2MouseDxe/CommPs2.c b/IntelFrameworkModulePkg/Bus/Isa/Ps2MouseDxe/CommPs2.c
index 6ddd5ebea4..548386f844 100644
--- a/IntelFrameworkModulePkg/Bus/Isa/Ps2MouseDxe/CommPs2.c
+++ b/IntelFrameworkModulePkg/Bus/Isa/Ps2MouseDxe/CommPs2.c
@@ -312,7 +312,7 @@ PS2MouseSetScaling (
 {
   UINT8 Command;
 
-  Command = (UINT8) (Scaling == SF1 ? SETSF1_CMD : SETSF2_CMD);
+  Command = (UINT8) (Scaling == Scaling1 ? SETSF1_CMD : SETSF2_CMD);
 
   //
   // Send auxiliary command to set mouse scaling data