diff --git a/setup/so-functions b/setup/so-functions
index cf47a0f8c..23692e7ec 100755
--- a/setup/so-functions
+++ b/setup/so-functions
@@ -1213,9 +1213,13 @@ docker_install() {
 				;;
 		esac
 		if [ $OSVER == "bionic" ]; then
+		    service docker stop
+			apt -y purge docker-ce docker-ce-cli docker-ce-rootless-extras
 			retry 50 10 "apt-get -y install docker-ce=5:20.10.5~3-0~ubuntu-bionic docker-ce-cli=5:20.10.5~3-0~ubuntu-bionic docker-ce-rootless-extras=5:20.10.5~3-0~ubuntu-bionic python3-docker" >> "$setup_log" 2>&1 || exit 1
 	        apt-mark hold docker-ce docker-ce-cli docker-ce-rootless-extras
 		elif [ $OSVER == "focal" ]; then
+		    service docker stop
+			apt -y purge docker-ce docker-ce-cli docker-ce-rootless-extras
 			retry 50 10 "apt-get -y install docker-ce=5:20.10.8~3-0~ubuntu-focal docker-ce-cli=5:20.10.8~3-0~ubuntu-focal docker-ce-rootless-extras=5:20.10.8~3-0~ubuntu-focal python3-docker" >> "$setup_log" 2>&1 || exit 1
             apt-mark hold docker-ce docker-ce-cli docker-ce-rootless-extras		
 		fi