diff --git a/setup/so-functions b/setup/so-functions
index 5f98e685e..144a75160 100755
--- a/setup/so-functions
+++ b/setup/so-functions
@@ -1525,7 +1525,7 @@ reinstall_init() {
 
 		if command -v docker &> /dev/null; then
 			# Stop and remove all so-* containers so files can be changed with more safety
-			if [ $(docker ps -a -q --filter "name=so-") -gt 0 ]; then
+			if [ $(docker ps -a -q --filter "name=so-" | wc -l) -gt 0 ]; then
 				docker stop $(docker ps -a -q --filter "name=so-")
 				docker rm -f $(docker ps -a -q --filter "name=so-")
 			fi