diff --git a/U_tigervnc-fix-reversed-logic-in-vncIsTCPPortUsed.patch b/U_tigervnc-fix-reversed-logic-in-vncIsTCPPortUsed.patch
new file mode 100644
index 0000000..5303cf3
--- /dev/null
+++ b/U_tigervnc-fix-reversed-logic-in-vncIsTCPPortUsed.patch
@@ -0,0 +1,23 @@
+Subject: [PATCH] Fix reversed logic in vncIsTCPPortUsed()
+Author: Pierre Ossman <ossman@cendio.se>
+Patch-mainline: Upstream
+Git-commit: 6bb08082956334711de44dad49b95f90a7b02700
+Signed-off-by: Michal Srb <msrb@suse.com>
+
+Patch by Jay Kulpinski. Prevents -inetd mode from automatically
+finding a free X11 display number.
+
+diff --git a/unix/xserver/hw/vnc/RFBGlue.cc b/unix/xserver/hw/vnc/RFBGlue.cc
+index 09832ab..a150792 100644
+--- a/unix/xserver/hw/vnc/RFBGlue.cc
++++ b/unix/xserver/hw/vnc/RFBGlue.cc
+@@ -194,7 +194,7 @@ int vncIsTCPPortUsed(int port)
+     std::list<network::TcpListener> dummy;
+     network::createTcpListeners (&dummy, 0, port);
+   } catch (rdr::Exception& e) {
+-    return 0;
++    return 1;
+   }
+-  return 1;
++  return 0;
+ }
diff --git a/tigervnc.changes b/tigervnc.changes
index ec8aa23..cdd193f 100644
--- a/tigervnc.changes
+++ b/tigervnc.changes
@@ -1,3 +1,9 @@
+-------------------------------------------------------------------
+Sun Sep 13 14:57:35 UTC 2015 - msrb@suse.com
+
+- U_tigervnc-fix-reversed-logic-in-vncIsTCPPortUsed.patch
+  * Fixes Xvnc with -inetd parameter. (bnc#945600)
+
 -------------------------------------------------------------------
 Thu Aug 27 14:14:46 UTC 2015 - hguo@suse.com
 
diff --git a/tigervnc.spec b/tigervnc.spec
index ba8f8fc..6db3965 100644
--- a/tigervnc.spec
+++ b/tigervnc.spec
@@ -118,6 +118,7 @@ Patch8:         u_tigervnc-use-default-trust-manager-in-java-viewer-if-custom.pa
 Patch9:         u_tigervnc-display-SHA-1-fingerprint-of-untrusted-certificate.patch
 Patch10:        u_tigervnc-add-autoaccept-parameter.patch
 Patch11:        N_tigervnc_revert_fltk_1_3_3_requirements.patch
+Patch12:        U_tigervnc-fix-reversed-logic-in-vncIsTCPPortUsed.patch
 
 %description
 TigerVNC is a high-performance, platform-neutral implementation of VNC (Virtual Network Computing), 
@@ -159,6 +160,7 @@ cp -r /usr/src/xserver/* unix/xserver/
 %patch9 -p1
 %patch10 -p1
 %patch11 -p1
+%patch12 -p1
 
 pushd unix/xserver
 patch -p1 < ../xserver117.patch