diff --git a/lib/Slic3r.pm b/lib/Slic3r.pm
index 84e36dafbe..fa7152ded1 100644
--- a/lib/Slic3r.pm
+++ b/lib/Slic3r.pm
@@ -88,7 +88,7 @@ END
 # retraction options
 our $retract_length         = 1;    # mm
 our $retract_restart_extra  = 0;    # mm
-our $retract_speed          = 40;   # mm/sec
+our $retract_speed          = 30;   # mm/sec
 our $retract_before_travel  = 2;    # mm
 our $retract_lift           = 0;    # mm