diff --git a/README.markdown b/README.markdown
index 9cfc06161..da681c6d8 100644
--- a/README.markdown
+++ b/README.markdown
@@ -118,6 +118,9 @@ The author is Alessandro Ranellucci (me).
         --temperature       Extrusion temperature in degree Celsius, set 0 to disable (default: 200)
         --first-layer-temperature Extrusion temperature for the first layer, in degree Celsius,
                             set 0 to disable (default: same as --temperature)
+        --bed-temperature   Heated bed temperature in degree Celsius, set 0 to disable (default: 200)
+        --first-layer-bed-temperature Heated bed temperature for the first layer, in degree Celsius,
+                            set 0 to disable (default: same as --bed-temperature)
         
       Speed options:
         --travel-speed      Speed of non-print moves in mm/s (default: 130)
@@ -201,6 +204,8 @@ The author is Alessandro Ranellucci (me).
                             Calculate the extrusion width as the layer height multiplied by
                             this value (> 0, default: calculated automatically)
         --bridge-flow-ratio Multiplier for extrusion when bridging (> 0, default: 1)
+        
+
 
 If you want to change a preset file, just do
 
diff --git a/lib/Slic3r.pm b/lib/Slic3r.pm
index 1735eca70..319bb3645 100644
--- a/lib/Slic3r.pm
+++ b/lib/Slic3r.pm
@@ -62,6 +62,8 @@ our $filament_diameter  = 3;    # mm
 our $extrusion_multiplier = 1;
 our $temperature        = 200;
 our $first_layer_temperature;
+our $bed_temperature    = 0;
+our $first_layer_bed_temperature;
 
 # speed options
 our $travel_speed           = 130;  # mm/s
diff --git a/lib/Slic3r/Config.pm b/lib/Slic3r/Config.pm
index bfc9fcc11..99a937ef4 100644
--- a/lib/Slic3r/Config.pm
+++ b/lib/Slic3r/Config.pm
@@ -111,7 +111,6 @@ our $Options = {
         label   => 'Bed Temperature (°C)',
         cli     => 'bed-temperature=i',
         type    => 'i',
-        important => 1,
     },
     
     # speed options
@@ -608,11 +607,8 @@ sub validate {
     die "Invalid value for --bridge-flow-ratio\n"
         if $Slic3r::bridge_flow_ratio <= 0;
 
-	# --first_layer_temperature
-	$Slic3r::first_layer_temperature = $Slic3r::temperature unless $Slic3r::first_layer_temperature;
-
-	# --first-layer-bed-temperature
-	$Slic3r::first_layer_bed_temperature = $Slic3r::bed_temperature unless $Slic3r::first_layer_bed_temperature;
+	$Slic3r::first_layer_temperature //= $Slic3r::temperature;          #/
+	$Slic3r::first_layer_bed_temperature //= $Slic3r::bed_temperature;  #/
     
     # G-code flavors
     $Slic3r::extrusion_axis = 'A' if $Slic3r::gcode_flavor eq 'mach3';
@@ -621,7 +617,6 @@ sub validate {
     $Slic3r::small_perimeter_speed ||= $Slic3r::perimeter_speed;
     $Slic3r::bridge_speed ||= $Slic3r::infill_speed;
     $Slic3r::solid_infill_speed ||= $Slic3r::infill_speed;
-    $Slic3r::first_layer_temperature //= $Slic3r::temperature; #/
 }
 
 1;
diff --git a/lib/Slic3r/GUI/SkeinPanel.pm b/lib/Slic3r/GUI/SkeinPanel.pm
index 0ffe8ece6..573c46029 100644
--- a/lib/Slic3r/GUI/SkeinPanel.pm
+++ b/lib/Slic3r/GUI/SkeinPanel.pm
@@ -25,7 +25,7 @@ sub new {
         },
         filament => {
             title => 'Filament',
-            options => [qw(filament_diameter extrusion_multiplier temperature first_layer_temperature)],
+            options => [qw(filament_diameter extrusion_multiplier temperature first_layer_temperature bed_temperature first_layer_bed_temperature)],
         },
         print_speed => {
             title => 'Print speed',
diff --git a/slic3r.pl b/slic3r.pl
index 0dd0a3917..10e8f1ec8 100755
--- a/slic3r.pl
+++ b/slic3r.pl
@@ -136,6 +136,9 @@ Usage: slic3r.pl [ OPTIONS ] file.stl
     --temperature       Extrusion temperature in degree Celsius, set 0 to disable (default: $Slic3r::temperature)
     --first-layer-temperature Extrusion temperature for the first layer, in degree Celsius,
                         set 0 to disable (default: same as --temperature)
+    --bed-temperature   Heated bed temperature in degree Celsius, set 0 to disable (default: $Slic3r::temperature)
+    --first-layer-bed-temperature Heated bed temperature for the first layer, in degree Celsius,
+                        set 0 to disable (default: same as --bed-temperature)
     
   Speed options:
     --travel-speed      Speed of non-print moves in mm/s (default: $Slic3r::travel_speed)