diff --git a/lib/Slic3r/Config.pm b/lib/Slic3r/Config.pm
index 3e246691e..0787afe2c 100644
--- a/lib/Slic3r/Config.pm
+++ b/lib/Slic3r/Config.pm
@@ -295,14 +295,13 @@ sub validate {
         * $Slic3r::flow_speed_ratio * PI / (4 * $Slic3r::layer_height);
     
     my $max_flow_width = $Slic3r::layer_height + $Slic3r::nozzle_diameter;
-    if ($Slic3r::flow_width > $max_flow_width) {
-        $Slic3r::flow_speed_ratio = $max_flow_width / $Slic3r::flow_width;
-        $Slic3r::flow_width = $max_flow_width;
-    }
     if ($Slic3r::extrusion_width_ratio) {
         my $flow_width = $Slic3r::layer_height * $Slic3r::extrusion_width_ratio;
         $Slic3r::flow_speed_ratio = $flow_width / $Slic3r::flow_width;
         $Slic3r::flow_width = $flow_width;
+    } elsif ($Slic3r::flow_width > $max_flow_width) {
+        $Slic3r::flow_speed_ratio = $max_flow_width / $Slic3r::flow_width;
+        $Slic3r::flow_width = $max_flow_width;
     }
     
     Slic3r::debugf "Flow width = $Slic3r::flow_width\n";