diff --git a/debian/resources/switch/source-release.sh b/debian/resources/switch/source-release.sh
index 4773200..be21e7b 100755
--- a/debian/resources/switch/source-release.sh
+++ b/debian/resources/switch/source-release.sh
@@ -91,7 +91,7 @@ fi
 cd /usr/src
 
 #check for master
-if [ ."$os_codename" != ."trixie" ] || [ ."$switch_branch" = ."master" ]; then
+if [ ."$os_codename" = ."trixie" ] || [ ."$switch_branch" = ."master" ]; then
 	#master branch
 	echo "Using version master"
 	rm -r /usr/src/freeswitch