diff --git a/playbooks/configure_pi_top_os.yml b/playbooks/configure_pi_top_os.yml
index c8adc2c..e447913 100644
--- a/playbooks/configure_pi_top_os.yml
+++ b/playbooks/configure_pi_top_os.yml
@@ -25,7 +25,7 @@
   tasks:
     - name: Determine if full build
       set_fact:
-        full_install: "-" not in build_type
+        full_install: '"-" not in build_type'
 
 ##############
 # Build Info #