diff --git a/src/ia32/ic-ia32.cc b/src/ia32/ic-ia32.cc
index fa9b8a20f6..e39808b2ee 100644
--- a/src/ia32/ic-ia32.cc
+++ b/src/ia32/ic-ia32.cc
@@ -604,7 +604,7 @@ void CallIC::GenerateNormal(MacroAssembler* masm, int argc) {
   __ mov(ebx, FieldOperand(edx, HeapObject::kMapOffset));
   __ movzx_b(eax, FieldOperand(ebx, Map::kInstanceTypeOffset));
   __ cmp(eax, FIRST_JS_OBJECT_TYPE);
-  __ j(less, &miss, not_taken);
+  __ j(below, &miss, not_taken);
 
   // If this assert fails, we have to check upper bound too.
   ASSERT(LAST_TYPE == JS_FUNCTION_TYPE);
diff --git a/src/x64/ic-x64.cc b/src/x64/ic-x64.cc
index 29ea84605a..e2f7c30d27 100644
--- a/src/x64/ic-x64.cc
+++ b/src/x64/ic-x64.cc
@@ -849,7 +849,7 @@ void LoadIC::GenerateNormal(MacroAssembler* masm) {
 
   // Check that the receiver is a valid JS object.
   __ CmpObjectType(rax, FIRST_JS_OBJECT_TYPE, rbx);
-  __ j(less, &miss);
+  __ j(below, &miss);
 
   // If this assert fails, we have to check upper bound too.
   ASSERT(LAST_TYPE == JS_FUNCTION_TYPE);