diff --git a/ci-scripts/buildOnVM.sh b/ci-scripts/buildOnVM.sh
index a489419deba0dc228ad25c6b277f59667d37c6ed..ba99436510dd8253f49004872f58d84792985d95 100755
--- a/ci-scripts/buildOnVM.sh
+++ b/ci-scripts/buildOnVM.sh
@@ -274,7 +274,7 @@ then
 else
     echo "echo \"sudo apt-get --yes --quiet install zip subversion libboost-dev \"" >> $VM_CMDS
     echo "sudo apt-get update > zip-install.txt 2>&1" >> $VM_CMDS
-    echo "sudo apt-get --yes install zip subversion libboost-dev >>> zip-install.txt 2>&1" >> $VM_CMDS
+    echo "sudo apt-get --yes install zip subversion libboost-dev >> zip-install.txt 2>&1" >> $VM_CMDS
 fi
 echo "mkdir tmp" >> $VM_CMDS
 echo "cd tmp" >> $VM_CMDS