diff --git a/hwg_gssr_scripts/findSSRs_post_assembly.pl b/hwg_gssr_scripts/findSSRs_post_assembly.pl
index 0a79492..7a213b0 100755
--- a/hwg_gssr_scripts/findSSRs_post_assembly.pl
+++ b/hwg_gssr_scripts/findSSRs_post_assembly.pl
@@ -391,7 +391,7 @@ sub process_ssr{
 	##-------------------------------------
 	## generate a few more stats and variables
 	my $motif_len = length $motif;
-	my $num_of_repeats = ($end_index-$start_index+1)/$motif_len;
+	my $num_of_repeats = ($end_index-$start_index)/$motif_len;
     my $ssr_id = $contig_name."_ssr".$start_index;
 
 	##-------------------------------------