diff --git a/src/layouts.jl b/src/layouts.jl
index d39a7762..dba708ee 100644
--- a/src/layouts.jl
+++ b/src/layouts.jl
@@ -437,7 +437,7 @@ end
 function layout_args(d::KW, n_override::Integer)
     layout, n = layout_args(get(d, :layout, n_override))
     if n != n_override
-        error("When doing layout, n != n_override.  You're probably trying to force existing plots into a layout that doesn't fit them.")
+        error("When doing layout, n ($n) != n_override ($(n_override)).  You're probably trying to force existing plots into a layout that doesn't fit them.")
     end
     layout, n
 end