diff --git a/misc-scripts/density_feature/percent_gc_calc.pl b/misc-scripts/density_feature/percent_gc_calc.pl
index d2d968e29e3b0558bb0ac0e922d1fbb702226110..8b320de55cea38077bc4aad47844873a02161107 100644
--- a/misc-scripts/density_feature/percent_gc_calc.pl
+++ b/misc-scripts/density_feature/percent_gc_calc.pl
@@ -6,8 +6,21 @@
 #   big regions genomesize / 4000 for 4000 features on the genome
 
 
-use strict;
 
+use FindBin qw($Bin);
+use File::Path;
+use File::Basename qw( dirname );
+BEGIN {
+  $SERVERROOT = dirname( $Bin );
+  $SERVERROOT =~ s#/ensembl/misc-scripts##;
+  $SERVERROOT;  unshift @INC, "$SERVERROOT/conf";
+  eval{ require SiteDefs };
+  if ($@){ die "Can't use SiteDefs.pm - $@\n"; }
+  map{ unshift @INC, $_ } @SiteDefs::ENSEMBL_LIB_DIRS;
+} ;
+
+
+use strict;
 #use dbi;
 use Bio::EnsEMBL::DBSQL::DBAdaptor;
 use Bio::EnsEMBL::DBSQL::SliceAdaptor;
diff --git a/modules/Bio/EnsEMBL/Utils/TranscriptAlleles.pm b/modules/Bio/EnsEMBL/Utils/TranscriptAlleles.pm
index 3a43f8519144f0f79893e2cc78d22219f0637e06..6d1615594125706b057fa4f8aad8faf539fefdbb 100644
--- a/modules/Bio/EnsEMBL/Utils/TranscriptAlleles.pm
+++ b/modules/Bio/EnsEMBL/Utils/TranscriptAlleles.pm
@@ -94,31 +94,31 @@ sub get_all_ConsequenceType {
     ### The rest don't work anyway until we have a AlignStrainSlice
     ### MUST BE SORTED....
 
-      #we have to consider het alleles
-      my $reverse_string;
-      my $allele_string;
-      if ($allele->allele_string =~ /[\|\\\/]/){
-	  my @alleles = split /[\|\\\/]/,$allele->allele_string;
-	  if ($alleles[0] ne $allele->ref_allele_string){
-	      $allele_string = $alleles[0];
+    #we have to consider het alleles
+    my $allele_string;
+    if ($allele->allele_string =~ /[\|\\\/]/){
+      my @alleles = split /[\|\\\/]/,$allele->allele_string;
+      if ($alleles[0] ne $allele->ref_allele_string){
+	$allele_string = $alleles[0];
 	  }
-	  else{
-	      $allele_string = $alleles[1];
-	  }
-      }
       else{
-	  $allele_string = $allele->allele_string;  
-      }    
+	$allele_string = $alleles[1];
+      }
+    }
+    else{
+      $allele_string = $allele->allele_string;  
+    }    
     my $opposite_strand = 0; #to indicate wether transcript and allele and in different strands
+    my $transcript_allele = $allele_string;
     if( $transcript->strand != $allele->strand ) {
-	$reverse_string = $allele_string;
-      $reverse_string =~tr/ACGT/TGCA/;
+      $transcript_allele =~tr/ACGT/TGCA/;
       $opposite_strand = 1;
     }
 
-    my $consequence_type = Bio::EnsEMBL::Variation::ConsequenceType->new($transcript->dbID(),'',$allele->start, $allele->end, $transcript->strand, [$allele_string]);
+    my $consequence_type = Bio::EnsEMBL::Variation::ConsequenceType->new($transcript->dbID(),'',$allele->start, $allele->end, $transcript->strand, [$transcript_allele]);
     #calculate the consequence type of the Allele if different from the reference Allele
-    if (($opposite_strand && $allele->ref_allele_string eq $allele_string) || (!$opposite_strand && $allele->ref_allele_string eq $reverse_string)){      	#same allele as reference, there is no consequence, called SARA
+    #if (($opposite_strand && $allele->ref_allele_string eq $allele_string) || (!$opposite_strand && $allele->ref_allele_string eq $allele_string)){      	#same allele as reference, there is no consequence, called SARA
+    if ($allele->ref_allele_string eq $allele_string) {      	#same allele as reference, there is no consequence, called SARA
       	#same allele as reference, there is no consequence, called SARA
 	#we have to calculate if there are more than 2 in the same codon
 	empty_codon(\@out,\@same_codon);