diff --git a/hardware/Rakefile b/hardware/Rakefile
index 3cee38c..0b0e984 100644
--- a/hardware/Rakefile
+++ b/hardware/Rakefile
@@ -87,9 +87,11 @@ end
 desc "convert schematic to pcb layout"
 task :sch2pcb do
   targets.each do |target|    
-    sh "gsch2pcb #{target[:vsch]} --elements-dir #{File.dirname(__FILE__)}/lib/footprints --skip-m4 --output-name #{target[:name]}"
+    sh "gsch2pcb #{target[:sch]} --elements-dir #{File.dirname(__FILE__)}/lib/footprints --skip-m4 --output-name #{target[:name]}"
   end
 end
+CLOBBER.include("*.net")
+CLOBBER.include("*.new.pcb")
 
 photos = targets.collect{|target| ["#{target[:name]}_layout-top.png","#{target[:name]}_layout-bottom.png"]}.flatten
 desc "render layout"
@@ -128,7 +130,7 @@ end
 # ================
 
 # generate gnetlist bom2 and parse them
-# arguments: schematic=schematic to usse, attributes=the attributs to use for generating bom2
+# arguments: schematic=schematic to use, attributes=the attributes to use for generating bom2
 # return [{:refdes => [refdes of component], <attributes> => text of attributes}]
 def bom2(schematic, attributes)
   to_return = []
diff --git a/hardware/lib/symbols/output_led-green_kingbright_KP-2012SGC.sym b/hardware/lib/symbols/output_led-green_kingbright_KP-2012SGC.sym
index cf3ee35..d40e0df 100644
--- a/hardware/lib/symbols/output_led-green_kingbright_KP-2012SGC.sym
+++ b/hardware/lib/symbols/output_led-green_kingbright_KP-2012SGC.sym
@@ -52,4 +52,4 @@ datasheet=http://www.kingbright.com/attachments/file/psearch/000/00/00/KP-2012SG
 T 0 1700 8 10 0 0 0 0 1
 farnell-id=1318243
 T 0 1900 8 10 0 0 0 0 1
-footprint=SMD_DIODE 120 60
+footprint=SMD_DIODE 80 50
diff --git a/hardware/lib/symbols/output_led-red_kingbright_KPHCM-2012EC-T.sym b/hardware/lib/symbols/output_led-red_kingbright_KPHCM-2012EC-T.sym
index 99427fb..a02ca91 100644
--- a/hardware/lib/symbols/output_led-red_kingbright_KPHCM-2012EC-T.sym
+++ b/hardware/lib/symbols/output_led-red_kingbright_KPHCM-2012EC-T.sym
@@ -52,4 +52,4 @@ datasheet=http://www.kingbright-europe.de/_daten/KPHCM-2012EC-T(Ver.4).pdf
 T 0 1700 8 10 0 0 0 0 1
 farnell-id=1686066
 T 0 1900 8 10 0 0 0 0 1
-footprint=SMD_DIODE 120 60
+footprint=SMD_DIODE 80 50