diff --git a/install/22_gradle.sh b/install/22_gradle.sh
index 159cc2a98bc814a06b1a61b497630429a5330578..9e8a955fd6a9118f5a274ea1866d364db28472c4 100644
--- a/install/22_gradle.sh
+++ b/install/22_gradle.sh
@@ -4,9 +4,9 @@ set -e # Exit on errors
 
 cd $JENKINS_HOME/tools
 
-curl -s -L http://services.gradle.org/distributions/gradle-1.11-bin.zip -O gradle-1.11-bin.zip
+curl -s -L http://services.gradle.org/distributions/gradle-1.11-bin.zip -o gradle-1.11-bin.zip
 unzip gradle-1.11-bin.zip
-rm gradle-1.11-bin.zip
+rm -f gradle-1.11-bin.zip
 
 GRADLE_HOME=$JENKINS_HOME/tools/gradle-1.11
 echo "export GRADLE_HOME=$GRADLE_HOME" > /etc/profile.d/gradle.sh