diff --git a/src/utils/LibZip.sol b/src/utils/LibZip.sol
index c4f6636776..df208982ef 100644
--- a/src/utils/LibZip.sol
+++ b/src/utils/LibZip.sol
@@ -247,6 +247,7 @@ library LibZip {
     /// For efficiency, this function will directly return the results, terminating the context.
     /// If called internally, it must be called at the end of the function.
     function cdFallback() internal {
+        /// @solidity memory-safe-assembly
         assembly {
             if iszero(calldatasize()) { return(calldatasize(), calldatasize()) }
             let o := 0