diff --git a/geo/qlandkartegt/Makefile b/geo/qlandkartegt/Makefile
index a21e061646e..c33bafcc708 100644
--- a/geo/qlandkartegt/Makefile
+++ b/geo/qlandkartegt/Makefile
@@ -1,16 +1,16 @@
-# $OpenBSD: Makefile,v 1.12 2013/07/02 04:30:20 sebastia Exp $
+# $OpenBSD: Makefile,v 1.13 2013/09/12 16:30:59 sebastia Exp $
 
 VMEM_WARNING =	yes
 COMMENT =	garmin gps map management tool
 
-DISTNAME =	qlandkartegt-1.7.0
+DISTNAME =	qlandkartegt-1.7.3
 CATEGORIES =	geo x11
 
 HOMEPAGE =	http://www.qlandkarte.org/
 MASTER_SITES =	${MASTER_SITE_SOURCEFORGE:=qlandkartegt/}
 MAINTAINER =	Sebastian Reitenbach <sebastia@openbsd.org>
 
-# GPLv2
+# GPLv3
 PERMIT_PACKAGE_CDROM =		Yes
 
 MODULES =	devel/cmake x11/qt4
diff --git a/geo/qlandkartegt/distinfo b/geo/qlandkartegt/distinfo
index 2f586d0d8d5..0584ffb072a 100644
--- a/geo/qlandkartegt/distinfo
+++ b/geo/qlandkartegt/distinfo
@@ -1,2 +1,2 @@
-SHA256 (qlandkartegt-1.7.0.tar.gz) = Tbq57QCCRkepr9MVYZ55dOF2o7R+UPN1REHmnx2+5y0=
-SIZE (qlandkartegt-1.7.0.tar.gz) = 8136806
+SHA256 (qlandkartegt-1.7.3.tar.gz) = 2/yWNvSozIhzff+MvTtBHksawXxVJRY5a1XR5oCtlTw=
+SIZE (qlandkartegt-1.7.3.tar.gz) = 8334026
diff --git a/geo/qlandkartegt/patches/patch-3rdparty_map2jnx_main_cpp b/geo/qlandkartegt/patches/patch-3rdparty_map2jnx_main_cpp
new file mode 100644
index 00000000000..8670fd5e23e
--- /dev/null
+++ b/geo/qlandkartegt/patches/patch-3rdparty_map2jnx_main_cpp
@@ -0,0 +1,35 @@
+$OpenBSD: patch-3rdparty_map2jnx_main_cpp,v 1.1 2013/09/12 16:30:59 sebastia Exp $
+
+use arc4random
+
+--- 3rdparty/map2jnx/main.cpp.orig	Mon Jun 17 14:27:52 2013
++++ 3rdparty/map2jnx/main.cpp	Thu Sep 12 09:09:12 2013
+@@ -14,6 +14,7 @@
+ 
+ **********************************************************************************************/
+ 
++#include "config.h"
+ 
+ #ifdef _MSC_VER
+ #define fseeko _fseeki64
+@@ -419,14 +420,20 @@ static uint32_t scale2jnx(double scale)
+ static char randChar()
+ {
+     char buf[2];
++#if defined(HAVE_ARC4RANDOM)
++    int r = (int)((arc4random() * 16.0) / UINT_MAX);
++#else
+     int r = (int)((rand() * 16.0) / RAND_MAX);
++#endif
+     sprintf(buf,"%X", r & 0x0F);
+     return buf[0];
+ }
+ 
+ static void createGUID(char * guid)
+ {
++#if !defined(HAVE_ARC4RANDOM)
+     srand((unsigned int)time(0));
++#endif
+ 
+     guid[0]     = randChar();
+     guid[1]     = randChar();
diff --git a/geo/qlandkartegt/patches/patch-ConfigureChecks_cmake b/geo/qlandkartegt/patches/patch-ConfigureChecks_cmake
new file mode 100644
index 00000000000..3565b5baf14
--- /dev/null
+++ b/geo/qlandkartegt/patches/patch-ConfigureChecks_cmake
@@ -0,0 +1,15 @@
+$OpenBSD: patch-ConfigureChecks_cmake,v 1.1 2013/09/12 16:30:59 sebastia Exp $
+
+use arc4random
+
+--- ConfigureChecks.cmake.orig	Wed Sep 11 15:08:42 2013
++++ ConfigureChecks.cmake	Wed Sep 11 15:09:18 2013
+@@ -31,6 +31,8 @@ check_include_file(byteswap.h HAVE_BYTESWAP_H)
+ 
+ test_big_endian(HAVE_BIGENDIAN)
+ 
++check_function_exists(arc4random HAVE_ARC4RANDOM) 
++
+ # check if we're on a 64bit host
+ if(CMAKE_SIZEOF_VOID_P MATCHES "8")
+   SET(HOST_IS_64_BIT 1)
diff --git a/geo/qlandkartegt/patches/patch-config_h_cmake b/geo/qlandkartegt/patches/patch-config_h_cmake
new file mode 100644
index 00000000000..bb200894c23
--- /dev/null
+++ b/geo/qlandkartegt/patches/patch-config_h_cmake
@@ -0,0 +1,15 @@
+$OpenBSD: patch-config_h_cmake,v 1.1 2013/09/12 16:30:59 sebastia Exp $
+
+use arc4random
+
+--- config.h.cmake.orig	Thu Sep 12 08:36:49 2013
++++ config.h.cmake	Thu Sep 12 08:37:05 2013
+@@ -19,6 +19,8 @@
+ 
+ #cmakedefine HAVE_BIGENDIAN 1
+ 
++#cmakedefine HAVE_ARC4RANDOM 1
++
+ /* build with native file dialogs */
+ #define FILE_DIALOG_FLAGS ${FILEDIALOGFLAGS}
+ 
diff --git a/geo/qlandkartegt/patches/patch-src_CTrackDB_cpp b/geo/qlandkartegt/patches/patch-src_CTrackDB_cpp
new file mode 100644
index 00000000000..59cc05ff4dd
--- /dev/null
+++ b/geo/qlandkartegt/patches/patch-src_CTrackDB_cpp
@@ -0,0 +1,27 @@
+$OpenBSD: patch-src_CTrackDB_cpp,v 1.1 2013/09/12 16:30:59 sebastia Exp $
+
+use arc4random
+
+--- src/CTrackDB.cpp.orig	Wed Aug 14 19:56:40 2013
++++ src/CTrackDB.cpp	Thu Sep 12 09:08:18 2013
+@@ -16,6 +16,8 @@
+     along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ 
+ **********************************************************************************************/
++#include "config.h"
++
+ #include <stdio.h>
+ #include <limits>
+ 
+@@ -173,7 +175,11 @@ void CTrackDB::loadGPX(CGpx& gpx)
+         hasItems = true;
+         CTrack* track = new CTrack(this);
+                                  //preset a random color
++#if defined(HAVE_ARC4RANDOM)
++        track->setColor((arc4random() % 13)+1);
++#else
+         track->setColor((rand() % 13)+1);
++#endif
+ 
+         /*
+          *  Global track information