diff --git a/lib/awful/layout/suit/magnifier.lua.in b/lib/awful/layout/suit/magnifier.lua.in
index ac48cc6aa..ee1847621 100644
--- a/lib/awful/layout/suit/magnifier.lua.in
+++ b/lib/awful/layout/suit/magnifier.lua.in
@@ -69,7 +69,7 @@ local function magnifier(_, screen)
 
         local fidx
         for k, c in ipairs(cls) do
-            if k == focus then
+            if c == focus then
                 fidx = k
                 break
             end