diff --git a/build-and-benchmark-py-project.sh b/build-and-benchmark-py-project.sh
index 66d0ee96dc9941b0c953bbd729c531e1433fd0e6..f2e913416afc271db86d007f8ca4e065507bacfe 100644
--- a/build-and-benchmark-py-project.sh
+++ b/build-and-benchmark-py-project.sh
@@ -27,7 +27,10 @@ if [[ ! -z "$CI" ]]; then
   fi
 fi
 
-asv machine --yes
+if [[ ! -f ~/.asv-machine.json ]]; then
+  asv machine --yes
+fi
+
 master_commit=`git rev-parse master`
 test_commit=`git rev-parse HEAD`