diff --git a/src/coreclr/jit/optcse.cpp b/src/coreclr/jit/optcse.cpp
index 77eec238411812..b6dadaac185771 100644
--- a/src/coreclr/jit/optcse.cpp
+++ b/src/coreclr/jit/optcse.cpp
@@ -655,6 +655,7 @@ unsigned Compiler::optValnumCSE_Index(GenTree* tree, Statement* stmt)
                     }
                 }
 
+                hval                           = optCSEKeyToHashIndex(key, newOptCSEhashSize);
                 optCSEhash                     = newOptCSEhash;
                 optCSEhashSize                 = newOptCSEhashSize;
                 optCSEhashMaxCountBeforeResize = optCSEhashMaxCountBeforeResize * s_optCSEhashGrowthFactor;