diff --git a/create_interval_listV4.pl b/create_interval_listV4.pl
index 314455f..48258aa 100755
--- a/create_interval_listV4.pl
+++ b/create_interval_listV4.pl
@@ -76,14 +76,14 @@
         my $strandexon = "";
 
 	if ($Strand =~ /TRUE|True|true/){
-        	$strandexon = $exonarray[5];
-        	}
-        	elsif ($Strand =~ /FALSE|False|false/){
+        	$strandexon = $exonarray[4];
+        }
+        elsif ($Strand =~ /FALSE|False|false/){
         	$strandexon = "+";
-        	}
-		else{
+        }
+	else{
 		usage() and exit(1)
-		}
+	}
 
         $chrom =~ s/chr//mg;#Remove chr, Un_, _random from chromosome name
         print EXONS_OUT "$chrom\t$start\t$end\t$strandexon"."\t$target\n";#Print chromosome and other information to output file
@@ -103,13 +103,13 @@
 
         if ($Strand =~ /TRUE|True|true/){
         	$strandbait = $baitarray[5];
-        	}
-		elsif ($Strand =~ /FALSE|False|false/){
-                $strandbait = "+";
-                }
-        	else{
+        }
+	elsif ($Strand =~ /FALSE|False|false/){
+        	$strandbait = "+";
+        }
+      	else{
 		usage() and exit(1)
-        	}
+     	}
 
         $chrbait =~ s/chr//mg;#Remove chr from chromosome name
         print BAITS_OUT "$chrbait\t$startbait\t$endbait\t$strandbait"."\t$targetbait\n";#Print output to file
diff --git a/create_per_base_intervals.pl b/create_per_base_bed.pl
similarity index 97%
rename from create_per_base_intervals.pl
rename to create_per_base_bed.pl
index 54e4625..d1c0f95 100755
--- a/create_per_base_intervals.pl
+++ b/create_per_base_bed.pl
@@ -50,7 +50,7 @@
                 my $region = ($stop-$start);
                 #Iterate over region and create bins
 		open (OUTPUT, ">>", "$outputfolder/$output.per_base.bed" ) or die $!;
-                for (my $i=($start-1); $i<$stop; $i=($i+$binSize)){
+                for (my $i=($start+1); $i<=$stop; $i=($i+$binSize)){
                     print OUTPUT "$chr\t" . $i . "\t" . ($i+1) . "\t$strand\t$gene\n";
                 }
                 close(OUTPUT);
diff --git a/make_compute5_bedfiles_calculon.sh b/make_compute5_bedfiles_calculon.sh
index 725efef..3cbabab 100755
--- a/make_compute5_bedfiles_calculon.sh
+++ b/make_compute5_bedfiles_calculon.sh
@@ -221,13 +221,21 @@ then
 fi
 
 module load ngs-utils
+module load BEDTools
+bedtools merge -i ${baits}.bed -c 4,5 -o distinct > ${baits}.merged.bed
+
+if [ ! -f ${baits}.genesOnly ]
+then
+	awk '{print $5}' ${baits}.merged.bed > ${baits}.genesOnly
+fi
+
 
 if [ $COVPERBASE == "true" ]
 then
 	if [ ! -f ${baits}.uniq.per_base.bed ]
 	then
 		echo "starting to create_per_base_intervals, this may take a while"
-		create_per_base_intervals.pl -input ${baits}.bed -output ${NAME} -outputfolder $TMP
+		create_per_base_bed.pl -input ${baits}.bed -output ${NAME} -outputfolder $TMP
 
 		sort -V -k1 -k2 -k3 ${TMP}/${NAME}.per_base.bed | uniq -u > ${baits}.uniq.per_base.bed
 		rm ${TMP}/${NAME}.per_base.bed
@@ -236,18 +244,15 @@ then
 	else
 		echo "${baits}.uniq.per_base.bed already exists, skipped!"
 	fi
-	if [ ! -f ${baits}.genesOnly ]
-	then
-		awk '{print $5}' ${baits}.bed > ${baits}.genesOnly
-	fi
+
 	#make interval_list coverage per base
 	cat ${phiXRef} > ${baits}.uniq.per_base.interval_list
 	cat ${baits}.uniq.per_base.bed >> ${baits}.uniq.per_base.interval_list 
 	echo "${baits}.uniq.per_base.interval_list created"
 
 	awk '{ if ($0 !~ /^@/){
-		minus=($2 + 1);
-		print $1"\t"minus"\t"$3"\t"$4"\t"$5
+		minus=($3 -1)
+		print $1"\t"$2"\t"minus"\t"$4"\t"$5
 	}
 	else{
 		print $0