diff --git a/scripts/validate.sh b/scripts/validate.sh
index 7e50abcd57472dd0f3da47db6d6f2f3e07e5f23c..bf93a75350351447499ab70b2d9a1b207d029b79 100644
--- a/scripts/validate.sh
+++ b/scripts/validate.sh
@@ -19,12 +19,14 @@ done
 
 echo "Using git branch $1"
 
+mkdir -p /home/etsi/dev/build
+cd /home/etsi/dev/build
+rm -r -v *
+
 if [[ "$1" =~ .*-dev$ || "$1" =~ \d+(\.?\d)+ || "$1" == "master" ]]; then
 
 	cd /home/etsi/dev/robot2doc/robot2doc
 
-	mkdir -p /home/etsi/dev/build
-
 	python3 create_sols.py ../../robot 'local' ../../build
 	res2=$?
 else res2=0