diff --git a/src/concrete/code.jl b/src/concrete/code.jl
index d51b79ca..5557d9f3 100644
--- a/src/concrete/code.jl
+++ b/src/concrete/code.jl
@@ -6,7 +6,7 @@ function _pyeval_args(globals, locals)
     elseif ispy(globals)
         globals_ = globals
     else
-        ArgumentError("globals must be a module or a Python dict")
+        throw(ArgumentError("globals must be a module or a Python dict"))
     end
     if locals === nothing
         locals_ = pynew(Py(globals_))