diff --git a/salt/common/tools/sbin/so-common b/salt/common/tools/sbin/so-common
index 22c7543ea..56123f418 100755
--- a/salt/common/tools/sbin/so-common
+++ b/salt/common/tools/sbin/so-common
@@ -487,6 +487,7 @@ wait_for_web_response() {
 	expected=$2
 	maxAttempts=${3:-300}
 	logfile=/root/wait_for_web_response.log
+	truncate -s 0 "$logfile"
 	attempt=0
 	while [[ $attempt -lt $maxAttempts ]]; do
 		attempt=$((attempt+1))