diff --git a/noir-projects/noir-contracts/scripts/flamegraph.sh b/noir-projects/noir-contracts/scripts/flamegraph.sh
index 8db540142e6..7db97d0e384 100755
--- a/noir-projects/noir-contracts/scripts/flamegraph.sh
+++ b/noir-projects/noir-contracts/scripts/flamegraph.sh
@@ -50,7 +50,7 @@ function sed_wrapper() {
 }
 
 # convert contract name to following format: token_bridge_contract-TokenBridge.json
-ARTIFACT=$(echo "$CONTRACT" | sed_wrapper -r 's/^([A-Z])/\L\1/; s/([a-z0-9])([A-Z])/\1_\L\2/g')
+ARTIFACT=$(echo "$CONTRACT" | sed_wrapper -r 's/^([A-Z]+)/\L\1/; s/([a-z0-9])([A-Z])/\1_\L\2/g')
 ARTIFACT=$(echo "$ARTIFACT" | tr '[:upper:]' '[:lower:]')
 ARTIFACT_NAME="${ARTIFACT}_contract-${CONTRACT}"