diff --git a/main.c b/main.c
index b3f7502..a7a7fea 100644
--- a/main.c
+++ b/main.c
@@ -6,7 +6,7 @@
 #include "mmpriv.h"
 #include "ketopt.h"
 
-#define MM_VERSION "2.14-r892-dirty"
+#define MM_VERSION "2.14-r894-dirty"
 
 #ifdef __linux__
 #include <sys/resource.h>
@@ -61,6 +61,7 @@ static ko_longopt_t long_options[] = {
 	{ "no-end-flt",     ko_no_argument,       335 },
 	{ "hard-mask-level",ko_no_argument,       336 },
 	{ "cap-sw-mem",     ko_required_argument, 337 },
+	{ "max-qlen",       ko_required_argument, 338 },
 	{ "help",           ko_no_argument,       'h' },
 	{ "max-intron-len", ko_required_argument, 'G' },
 	{ "version",        ko_no_argument,       'V' },
@@ -192,6 +193,7 @@ int main(int argc, char *argv[])
 		else if (c == 335) opt.flag |= MM_F_NO_END_FLT; // --no-end-flt
 		else if (c == 336) opt.flag |= MM_F_HARD_MLEVEL; // --hard-mask-level
 		else if (c == 337) opt.max_sw_mat = mm_parse_num(o.arg); // --cap-sw-mat
+		else if (c == 338) opt.max_qlen = mm_parse_num(o.arg); // --max-qlen
 		else if (c == 314) { // --frag
 			yes_or_no(&opt, MM_F_FRAG_MODE, o.longidx, o.arg, 1);
 		} else if (c == 315) { // --secondary
diff --git a/map.c b/map.c
index 6c21103..16fbe06 100644
--- a/map.c
+++ b/map.c
@@ -284,6 +284,7 @@ void mm_map_frag(const mm_idx_t *mi, int n_segs, const int *qlens, const char **
 		qlen_sum += qlens[i], n_regs[i] = 0, regs[i] = 0;
 
 	if (qlen_sum == 0 || n_segs <= 0 || n_segs > MM_MAX_SEG) return;
+	if (opt->max_qlen > 0 && qlen_sum > opt->max_qlen) return;
 
 	hash  = qname? __ac_X31_hash_string(qname) : 0;
 	hash ^= __ac_Wang_hash(qlen_sum) + __ac_Wang_hash(opt->seed);
diff --git a/minimap.h b/minimap.h
index 652e62a..0b44325 100644
--- a/minimap.h
+++ b/minimap.h
@@ -107,6 +107,8 @@ typedef struct {
 	int sdust_thres; // score threshold for SDUST; 0 to disable
 	int flag;        // see MM_F_* macros
 
+	int max_qlen;    // max query length
+
 	int bw;          // bandwidth
 	int max_gap, max_gap_ref; // break a chain if there are no minimizers in a max_gap window
 	int max_frag_len;
diff --git a/minimap2.1 b/minimap2.1
index 37045e4..b9badbb 100644
--- a/minimap2.1
+++ b/minimap2.1
@@ -1,4 +1,4 @@
-.TH minimap2 1 "5 November 2018" "minimap2-2.14-dirty (r891)" "Bioinformatics tools"
+.TH minimap2 1 "12 December 2018" "minimap2-2.14-dirty (r894)" "Bioinformatics tools"
 .SH NAME
 .PP
 minimap2 - mapping and alignment between collections of DNA sequences
@@ -458,6 +458,13 @@ memory.
 .BR --secondary = yes | no
 Whether to output secondary alignments [yes]
 .TP
+.BI --max-qlen \ NUM
+Filter out query sequences longer than
+.IR NUM .
+.TP
+.B --paf-no-hit
+In PAF, output query name and length for an unmapped sequence.
+.TP
 .B --version
 Print version number to stdout
 .SS Preset options