diff --git a/src/ecoprimer.c b/src/ecoprimer.c
index 71220ab..88662bf 100644
--- a/src/ecoprimer.c
+++ b/src/ecoprimer.c
@@ -134,9 +134,9 @@ void initoptions(poptions_t options)
 	options->refseq=NULL;
 	options->circular=0;
 	options->doublestrand=1;
-	options->strict_quorum=0.3;
+	options->strict_quorum=0.7;
 	options->strict_exclude_quorum=0.1;
-	options->sensitivity_quorum=0.3;
+	options->sensitivity_quorum=0.9;
 	options->false_positive_quorum=0.1;
 	options->strict_three_prime=0;
 	options->r=0;
diff --git a/src/libecoprimer/pairs.c b/src/libecoprimer/pairs.c
index 08e3ac4..ecb302b 100644
--- a/src/libecoprimer/pairs.c
+++ b/src/libecoprimer/pairs.c
@@ -252,11 +252,16 @@ static void buildPrimerPairsForOneSeq(uint32_t seqid,
 		{
 			// For all primers matching the sequence
 
-			for(j=i+1;
-			       (j<matchcount)
-			    && ((distance=matches[j].position - matches[i].position - options->primer_length) < options->lmax);
-			   j++
-			   )
+			//for(j=i+1;
+			//       (j<matchcount)
+			//    && ((distance=matches[j].position - matches[i].position - options->primer_length) < options->lmax);
+			//   j++
+			//   )
+			for (j=i+1; j<matchcount; j++)
+			{
+				if (matches[j].position - matches[i].position <= options->primer_length) continue;
+				distance = matches[j].position - matches[i].position - options->primer_length;
+				if (distance >= options->lmax) break;
 
 			   // For all not too far primers
 
@@ -448,6 +453,7 @@ static void buildPrimerPairsForOneSeq(uint32_t seqid,
 //
 
 		       }
+		}
 		 }
 	}
 
diff --git a/src/libecoprimer/taxstats.c b/src/libecoprimer/taxstats.c
index d1ca219..5b2d64e 100644
--- a/src/libecoprimer/taxstats.c
+++ b/src/libecoprimer/taxstats.c
@@ -175,8 +175,10 @@ static int cmpamp(const void *ampf1, const void* ampf2)
 
 void twalkaction (const void *node, VISIT order, int level)
 {
-	const size_t taxid=(size_t)node;
-	counttaxon(taxid);
+	int32_t *taxid = (int32_t*)node;
+	//const size_t taxid=(size_t)node;
+	//printf ("\t%d:%p, ", *taxid, node);
+	counttaxon(*taxid);
 }
 
 int32_t gtxid;