diff --git a/app/src/dgp/Makefile b/app/src/dgp/Makefile
index 996f383..2ffe753 100644
--- a/app/src/dgp/Makefile
+++ b/app/src/dgp/Makefile
@@ -41,6 +41,7 @@ prof: dgp
 copy:
 ifdef UTT_BIN_DIR
 	cp dgp dgc canonize tre.rb $(UTT_BIN_DIR)/
-	cp go attr.pm $(UTT_BIN_DIR)/
+	# ponizsza linijka jest do usuniecia
+	cp go attr.pm seg.rb $(UTT_BIN_DIR)/
 	cp $(LIB_PATH)/*.dgc $(UTT_BIN_DIR)/../lib/utt/
 endif
diff --git a/app/src/dgp/go b/app/src/dgp/go
index 1ddabe5..f9e4329 100755
--- a/app/src/dgp/go
+++ b/app/src/dgp/go
@@ -1,7 +1,13 @@
-make -f Makefile.go gram.dgp
-tok |\
-lem -p W |\
-canonize |\
-sen |\
-gph -p W -p BOS -p EOS -r BOS |\
-dgp -i ds -p W -p BOS -p EOS -g gram.dgp
+if test -f Makefile.go; 
+then
+	make -f Makefile.go gram.dgp;
+	tok |\
+	lem -p W |\
+	canonize |\
+	sen |\
+	gph -p W -p BOS -p EOS -r BOS |\
+	dgp -i ds -p W -p BOS -p EOS -g gram.dgp
+else 
+	echo "Invalid configuration! Run utt_make_config.pl first."
+fi
+
diff --git a/app/src/dgp/tre.rb b/app/src/dgp/tre.rb
index 87c284b..810d7ee 100755
--- a/app/src/dgp/tre.rb
+++ b/app/src/dgp/tre.rb
@@ -60,7 +60,7 @@ if $INFO=='DEFAULT'
   end
 end
 
-load 'Seg.rb'
+load 'seg.rb'
 
 $dgpsep=';'
 
diff --git a/app/src/gph/gph b/app/src/gph/gph
index 91611b7..74fb304 100755
--- a/app/src/gph/gph
+++ b/app/src/gph/gph
@@ -59,9 +59,10 @@ while(<>)
 	$do=1 if $line[2] eq $p;
     }
 
+	my $gph = '';
     if($do)
     {
-	@preds = ();
+	my @preds = ();
 	shift @prev while @prev+0 && $prev[0]->[1] + $prev[0]->[2] < $line[0];
 	for my $p (@prev)
 	{
@@ -89,3 +90,4 @@ while(<>)
 
     print $_.$gph."\n";    
 }
+