diff --git a/hardware/Rakefile b/hardware/Rakefile
index 79744e7..522146a 100644
--- a/hardware/Rakefile
+++ b/hardware/Rakefile
@@ -51,7 +51,7 @@ targets.each do |target|
   CLEAN.include(target[:vsch]) if File.exist? target[:vsch]
   CLEAN.include(target[:vpcb]) if File.exist? target[:vpcb]
   CLOBBER.include("#{target[:name]}_*.sch") if File.exist? "#{target[:name]}_*.sch"
-  CLOBBER.include("#{target[:name]}_*.pcb")) if File.exist? "#{target[:name]}_*.pcb"
+  CLOBBER.include("#{target[:name]}_*.pcb") if File.exist? "#{target[:name]}_*.pcb"
 end
 =begin
 desc "print schematic and layout (as pdf)"