diff --git a/sys-apps/less/less-542.recipe b/sys-apps/less/less-550.recipe
similarity index 95%
rename from sys-apps/less/less-542.recipe
rename to sys-apps/less/less-550.recipe
index bd482bb44..99fde4f75 100644
--- a/sys-apps/less/less-542.recipe
+++ b/sys-apps/less/less-550.recipe
@@ -10,7 +10,7 @@ COPYRIGHT="1984-2018 Mark Nudelman"
 LICENSE="GNU GPL v3"
 REVISION="1"
 SOURCE_URI="http://www.greenwoodsoftware.com/less/less-$portVersion.tar.gz"
-CHECKSUM_SHA256="4dfe50b2f98bc15cbfafa847c8179e0cde104203453fadf916768c4f3edd96c7"
+CHECKSUM_SHA256="6a53639f08d7ed05b6e104b82c32193f79ac01a3eddb20e114e1c261948bd57b"
 PATCHES="less-$portVersion.patchset"
 ADDITIONAL_FILES="sysless.in"
 
diff --git a/sys-apps/less/patches/less-542.patchset b/sys-apps/less/patches/less-550.patchset
similarity index 87%
rename from sys-apps/less/patches/less-542.patchset
rename to sys-apps/less/patches/less-550.patchset
index cfedf34b1..7558c8dc1 100644
--- a/sys-apps/less/patches/less-542.patchset
+++ b/sys-apps/less/patches/less-550.patchset
@@ -1,16 +1,16 @@
-From 4ac7dd380f1bb5eac3def440024ffb74dc75cc6d Mon Sep 17 00:00:00 2001
+From f37c832e4c028a392e04ef0e0731d98e39fe7570 Mon Sep 17 00:00:00 2001
 From: Jerome Duval <jerome.duval@gmail.com>
 Date: Thu, 29 Jun 2017 17:06:55 +0200
 Subject: import fix from previous version
 
 
 diff --git a/cmdbuf.c b/cmdbuf.c
-index ccca0c8..a025fef 100644
+index 0648aec..7e7cf68 100644
 --- a/cmdbuf.c
 +++ b/cmdbuf.c
-@@ -1399,7 +1399,11 @@ mlist_size(ml)
+@@ -1401,7 +1401,11 @@ mlist_size(ml)
  	static char *
- histfile_name()
+ histfile_name(VOID_PARAM)
  {
 +#ifdef __HAIKU__
 +	char home[B_PATH_NAME_LENGTH+B_FILE_NAME_LENGTH];
@@ -20,7 +20,7 @@ index ccca0c8..a025fef 100644
  	char *name;
  	int len;
  	
-@@ -1417,6 +1421,13 @@ histfile_name()
+@@ -1419,6 +1423,13 @@ histfile_name(VOID_PARAM)
  	if (strcmp(LESSHISTFILE, "") == 0 || strcmp(LESSHISTFILE, "-") == 0)
  		return (NULL);
  
@@ -33,8 +33,8 @@ index ccca0c8..a025fef 100644
 +#else
  	/* Otherwise, file is in $HOME. */
  	home = lgetenv("HOME");
- 	if (home == NULL || *home == '\0')
-@@ -1427,6 +1438,7 @@ histfile_name()
+ 	if (isnullenv(home))
+@@ -1429,6 +1440,7 @@ histfile_name(VOID_PARAM)
  #endif
  			return (NULL);
  	}
@@ -43,7 +43,7 @@ index ccca0c8..a025fef 100644
  	name = (char *) ecalloc(len, sizeof(char));
  	SNPRINTF2(name, len, "%s/%s", home, LESSHISTFILE);
 diff --git a/configure.ac b/configure.ac
-index 6dae556..60fc5de 100644
+index 7a69398..bf9f78e 100644
 --- a/configure.ac
 +++ b/configure.ac
 @@ -610,11 +610,17 @@ AH_TOP([
@@ -66,7 +66,7 @@ index 6dae556..60fc5de 100644
  /* Settings always true on Unix.  */
  
 diff --git a/filename.c b/filename.c
-index b70acd4..52a9b98 100644
+index 7c3ccd2..c813a68 100644
 --- a/filename.c
 +++ b/filename.c
 @@ -259,12 +259,23 @@ homefile(filename)
@@ -94,7 +94,7 @@ index b70acd4..52a9b98 100644
  	/*
  	 * Try $INIT/filename.
 diff --git a/less.h b/less.h
-index 85dbcf1..8234176 100644
+index 7ec58c3..75b5516 100644
 --- a/less.h
 +++ b/less.h
 @@ -100,6 +100,11 @@
@@ -110,7 +110,7 @@ index 85dbcf1..8234176 100644
  #include <io.h>
  #endif
 diff --git a/lesskey.c b/lesskey.c
-index bb85017..056a1f5 100644
+index 96a4462..912010c 100644
 --- a/lesskey.c
 +++ b/lesskey.c
 @@ -250,8 +250,19 @@ homefile(filename)
@@ -134,5 +134,5 @@ index bb85017..056a1f5 100644
  	else if ((p = getenv("INIT")) != NULL && *p != '\0')
  		pathname = mkpathname(p, filename);
 -- 
-2.17.0
+2.19.1