diff --git a/fastmap.c b/fastmap.c
index 8ffa07b..35797fd 100644
--- a/fastmap.c
+++ b/fastmap.c
@@ -145,6 +145,7 @@ int main_mem(int argc, char *argv[])
 		fprintf(stderr, "       -U INT        penalty for an unpaired read pair [%d]\n", opt->pen_unpaired);
 		fprintf(stderr, "       -x STR        read type. Setting -x changes multiple parameters unless overriden [null]\n");
 		fprintf(stderr, "                     pacbio: -k17 -W40 -w200 -c1000 -r10 -A2 -B7 -O2 -E1 -L0\n");
+		fprintf(stderr, "                     pbread: -k13 -W30 -w200 -c1000 -r10 -A2 -B5 -O2 -E1\n");
 		fprintf(stderr, "\nInput/output options:\n\n");
 		fprintf(stderr, "       -p            first query file consists of interleaved paired-end sequences\n");
 		fprintf(stderr, "       -R STR        read group header line such as '@RG\\tID:foo\\tSM:bar' [null]\n");
@@ -166,21 +167,27 @@ int main_mem(int argc, char *argv[])
 	}
 
 	if (mode) {
-		if (strcmp(mode, "pacbio") == 0) {
+		if (strcmp(mode, "pacbio") == 0 || strcmp(mode, "pbref") == 0 || strcmp(mode, "pbread") == 0) {
 			if (!opt0.a) opt->a = 2, opt0.a = 1;
 			update_a(opt, &opt0);
-			if (!opt0.b) opt->b = 7;
 			if (!opt0.o_del) opt->o_del = 2;
 			if (!opt0.e_del) opt->e_del = 1;
 			if (!opt0.o_ins) opt->o_ins = 2;
 			if (!opt0.e_ins) opt->e_ins = 1;
 			if (!opt0.w) opt->w = 200;
-			if (!opt0.min_seed_len) opt->min_seed_len = 17;
-			if (!opt0.min_chain_weight) opt->min_chain_weight = 40;
 			if (!opt0.max_occ) opt->max_occ = 1000;
-			if (!opt0.pen_clip5) opt->pen_clip5 = 0;
-			if (!opt0.pen_clip3) opt->pen_clip3 = 0;
 			if (opt0.split_factor == 0.) opt->split_factor = 10.;
+			if (strcmp(mode, "pbread") == 0) {
+				if (!opt0.b) opt->b = 5;
+				if (!opt0.min_seed_len) opt->min_seed_len = 13;
+				if (!opt0.min_chain_weight) opt->min_chain_weight = 30;
+			} else {
+				if (!opt0.b) opt->b = 7;
+				if (!opt0.min_seed_len) opt->min_seed_len = 17;
+				if (!opt0.min_chain_weight) opt->min_chain_weight = 40;
+				if (!opt0.pen_clip5) opt->pen_clip5 = 0;
+				if (!opt0.pen_clip3) opt->pen_clip3 = 0;
+			}
 		} else {
 			fprintf(stderr, "[E::%s] unknown read type '%s'\n", __func__, mode);
 			return 1; // FIXME memory leak
diff --git a/main.c b/main.c
index dd06b42..a177e6f 100644
--- a/main.c
+++ b/main.c
@@ -4,7 +4,7 @@
 #include "utils.h"
 
 #ifndef PACKAGE_VERSION
-#define PACKAGE_VERSION "0.7.8+dev-r463"
+#define PACKAGE_VERSION "0.7.8+dev-r464"
 #endif
 
 int bwa_fa2pac(int argc, char *argv[]);