diff --git a/main/opcodes/storage-memory.zkasm b/main/opcodes/storage-memory.zkasm
index dd74ceaf..245bf4a2 100644
--- a/main/opcodes/storage-memory.zkasm
+++ b/main/opcodes/storage-memory.zkasm
@@ -160,6 +160,7 @@ opSLOAD:
     $ => A          :MLOAD(storageAddr)
     ; set key for smt storage query
     %SMT_KEY_SC_STORAGE => B
+    $${eventLog(onUpdateStorage)}
     $ => E          :SLOAD
     ; set key(C) as warmed storage for address(A)
     E               :MSTORE(SP++), CALL(isColdSlot); [value(E) => SP]
@@ -305,4 +306,5 @@ opSSTOREsr:
     ; set key for smt storage query
     %SMT_KEY_SC_STORAGE => B
     $ => C          :MLOAD(tmpVarCsstore); key => C
+    $${eventLog(onUpdateStorage)}
     $ => SR         :SSTORE, JMP(readCode)