diff --git a/wrk/measure.sh b/wrk/measure.sh
index aa674c5..238fa00 100755
--- a/wrk/measure.sh
+++ b/wrk/measure.sh
@@ -47,14 +47,14 @@ if [ "$SUBJECT" = "sanic" ] ; then
     URL=http://127.0.0.1:8000
 fi
 
-if [ "$SUBJECT" = "rust" ] ; then
+if [ "$SUBJECT" = "rust-bythebook" ] ; then
     cd wrk/rust/bythebook && cargo build --release
     $TSK_SRV ./target/release/hello &
     PID=$!
     URL=http://127.0.0.1:7878
 fi
 
-if [ "$SUBJECT" = "rust2" ] ; then
+if [ "$SUBJECT" = "rust-clean" ] ; then
     cd wrk/rust/clean && cargo build --release
     $TSK_SRV ./target/release/hello &
     PID=$!
diff --git a/wrk/measure_all.sh b/wrk/measure_all.sh
index 0a67338..c8350a1 100755
--- a/wrk/measure_all.sh
+++ b/wrk/measure_all.sh
@@ -6,7 +6,9 @@ if [ ! -d ".git" ] ; then
     exit 1
 fi
 
-SUBJECTS="zig go python sanic rust rust2 axum csharp cpp"
+SUBJECTS="zig go python sanic rust-bythebook rust-clean axum csharp cpp"
+
+rm -f wrk/*.perflog
 
 for S in $SUBJECTS; do
     L="$S.perflog"