diff --git a/main.c b/main.c
index 37583d5..9feef04 100644
--- a/main.c
+++ b/main.c
@@ -6,7 +6,7 @@
 #include "mmpriv.h"
 #include "getopt.h"
 
-#define MM_VERSION "2.3-r543-dirty"
+#define MM_VERSION "2.3-r544-dirty"
 
 #ifdef __linux__
 #include <sys/resource.h>
diff --git a/pe.c b/pe.c
index a73556b..7278360 100644
--- a/pe.c
+++ b/pe.c
@@ -159,8 +159,8 @@ void mm_pair(void *km, int max_gap_ref, int pe_bonus, int sub_diff, int match_sc
 			mapq_pe_alt = (int)(6.02f * ((max>>32) - (sc.a[sc.n - 2]>>32)) / match_sc - 4.343f * logf(n_sub)); // n_sub > 0 because it counts the optimal, too
 			mapq_pe = mapq_pe < mapq_pe_alt? mapq_pe : mapq_pe_alt;
 		}
-		if (r[0]->mapq < mapq_pe) r[0]->mapq = (r[0]->mapq + mapq_pe) / 2;
-		if (r[1]->mapq < mapq_pe) r[1]->mapq = (r[1]->mapq + mapq_pe) / 2;
+		if (r[0]->mapq < mapq_pe) r[0]->mapq = (r[0]->mapq + mapq_pe * 3) / 4;
+		if (r[1]->mapq < mapq_pe) r[1]->mapq = (r[1]->mapq + mapq_pe * 3) / 4;
 		if (sc.n == 1) {
 			if (r[0]->mapq < 2) r[0]->mapq = 2;
 			if (r[1]->mapq < 2) r[1]->mapq = 2;