diff --git a/examples/cdcacm/cdcacm.h b/examples/cdcacm/cdcacm.h
index ce40e1a93..18570bff0 100644
--- a/examples/cdcacm/cdcacm.h
+++ b/examples/cdcacm/cdcacm.h
@@ -61,7 +61,7 @@
 #endif
 
 #ifndef CONFIG_NSH_BUILTIN_APPS
-#  error "This example can only be built as an NSH built-in application
+#  error "This example can only be built as an NSH built-in application"
 #endif
 
 /* Default configuration values */