diff --git a/src/arch/x86/predecoder.cc b/src/arch/x86/predecoder.cc
index 6052d8392..b6c488e45 100644
--- a/src/arch/x86/predecoder.cc
+++ b/src/arch/x86/predecoder.cc
@@ -305,8 +305,7 @@ namespace X86ISA
                 displacementSize = 0;
         } else {
             //figure out 32/64 bit displacement size
-            if(modRM.mod == 0 && (modRM.rm == 4 || modRM.rm == 5)
-                    || modRM.mod == 2)
+            if(modRM.mod == 0 && modRM.rm == 5 || modRM.mod == 2)
                 displacementSize = 4;
             else if(modRM.mod == 1)
                 displacementSize = 1;