diff --git a/docs/scripts/prepareUbuntuInstanceForITests.sh b/docs/scripts/prepareUbuntuInstanceForITests.sh
index a062bbe..8811c53 100755
--- a/docs/scripts/prepareUbuntuInstanceForITests.sh
+++ b/docs/scripts/prepareUbuntuInstanceForITests.sh
@@ -11,4 +11,5 @@ apt install -y make bash sed tar git nginx fcgiwrap gnutls-bin
 # Install Go from binary distribution
 latest_go="$(curl https://go.dev/VERSION\?m=text).linux-amd64.tar.gz"
 curl -O https://dl.google.com/go/$latest_go
+rm -rf /usr/local/go # be sure that we do not have an old installation
 tar -C /usr/local -xzf $latest_go