1 files changed, 1 insertions, 1 deletions
diff --git a/Rules b/Rules
index e5e301f1..d263a129 100644
--- a/Rules
+++ b/Rules
@@ -164,7 +164,7 @@ layout '/**/*', :erb
 passthrough '/favicon.ico'
 
 postprocess do
-  system('nanoc frontend')
+  raise "postprocessing error" unless system('nanoc frontend')
 
   Gitlab::SymlinksConverter.run(config, items)
 end