diff --git a/test/iso/install_os-release.sh b/test/iso/install_os-release.sh
index 37e0007..788111a 100644
--- a/test/iso/install_os-release.sh
+++ b/test/iso/install_os-release.sh
@@ -1,6 +1,6 @@
 #!/bin/bash
 
-FOUND_VERSION=$(grep VERSION_ID mnt/install/etc/os-release | cut -d= -f2)
+FOUND_VERSION=$(grep VERSION_ID mnt/install/etc/os-release | cut -d= -f2 | tr -d '"')
 
 if [[ ${FOUND_VERSION} != ${VERSION} ]]
 then