diff --git a/scripts/z-run b/scripts/z-run
index 4ba7b51..597d3a4 100644
--- a/scripts/z-run
+++ b/scripts/z-run
@@ -505,7 +505,7 @@
 		prlimit -n262144 -- \
 		sudo -u "${USER}" -n -E -P -- \
 		env -i -- \
-	"$( type -P -- wrk )" \
+	./.bin/wrk \
 			--threads 2 \
 			--connections 1 \
 			--timeout 1s \
@@ -530,7 +530,7 @@
 		prlimit -n262144 -- \
 		sudo -u "${USER}" -n -E -P -- \
 		env -i -- \
-	"$( type -P -- wrk )" \
+	./.bin/wrk \
 			--threads 2 \
 			--connections 1 \
 			--timeout 1s \
diff --git a/sources/cmd/server-dummy.go b/sources/cmd/server-dummy.go
index 1cb8d8f..5639201 100644
--- a/sources/cmd/server-dummy.go
+++ b/sources/cmd/server-dummy.go
@@ -17,7 +17,7 @@ func main () () {
 	
 	runtime.GOMAXPROCS (2)
 	
-	debug.SetGCPercent (50)
+	debug.SetGCPercent (-1)
 	debug.SetMaxThreads (128)
 	debug.SetMaxStack (16 * 1024)