diff --git a/src/randr.c b/src/randr.c
index 4a33458c..f13cab67 100644
--- a/src/randr.c
+++ b/src/randr.c
@@ -198,6 +198,7 @@ void output_init_con(Output *output) {
         con->name = sstrdup(output->name);
         con->type = CT_OUTPUT;
         con->layout = L_OUTPUT;
+        con_fix_percent(croot);
     }
     con->rect = output->rect;
     output->con = con;