diff --git a/src/crankshaft/hydrogen-alias-analysis.h b/src/crankshaft/hydrogen-alias-analysis.h
index 1f32b7ac..d06aabc 100644
--- a/src/crankshaft/hydrogen-alias-analysis.h
+++ b/src/crankshaft/hydrogen-alias-analysis.h
@@ -43,7 +43,7 @@
     }
 
     // Constant objects can be distinguished statically.
-    if (a->IsConstant()) {
+    if (a->IsConstant() && b->IsConstant()) {
       return a->Equals(b) ? kMustAlias : kNoAlias;
     }
     return kMayAlias;