diff --git a/eris/tools.toml b/eris/tools.toml
index 30949c7..9d06533 100644
--- a/eris/tools.toml
+++ b/eris/tools.toml
@@ -268,7 +268,7 @@ tools_for_extensions = [
 [cppcheck]
   dependencies = ["cppcheck"]
   url = "http://sourceforge.net/p/cppcheck/wiki/Home/"
-  command = "cppcheck"
+  command = "cppcheck --error-exitcode=1"
 
 [ruby_syntax]
   dependencies = ["ruby2.7"]