diff --git a/gnuplot-4.6.1-xcopygc-sigsegv.patch b/gnuplot-4.6.1-xcopygc-sigsegv.patch
new file mode 100644
index 0000000..1d4b9b1
--- /dev/null
+++ b/gnuplot-4.6.1-xcopygc-sigsegv.patch
@@ -0,0 +1,33 @@
+diff -upr gnuplot.orig/src/gplt_x11.c gnuplot/src/gplt_x11.c
+--- gnuplot.orig/src/gplt_x11.c	2012-03-18 18:30:43.000000000 +0100
++++ gnuplot/src/gplt_x11.c	2012-08-17 15:11:31.888654269 +0200
+@@ -2231,7 +2231,8 @@ exec_cmd(plot_struct *plot, char *comman
+ 	    /* Load selected pattern or fill into a separate gc */
+ 	    if (!fill_gc)
+ 		fill_gc = XCreateGC(dpy, plot->window, 0, 0);
+-	    XCopyGC(dpy, *current_gc, ~0, fill_gc);
++	    if (current_gc)
++		    XCopyGC(dpy, *current_gc, ~0, fill_gc);
+ 	    x11_setfill(&fill_gc, style);
+ 
+ 	    /* gnuplot has origin at bottom left, but X uses top left
+@@ -2560,7 +2561,8 @@ exec_cmd(plot_struct *plot, char *comman
+ 		/* Load selected pattern or fill into a separate gc */
+ 		if (!fill_gc)
+ 		    fill_gc = XCreateGC(dpy, plot->window, 0, 0);
+-		XCopyGC(dpy, *current_gc, ~0, fill_gc);
++		if (current_gc)
++		    XCopyGC(dpy, *current_gc, ~0, fill_gc);
+ 
+ 		x11_setfill(&fill_gc, style);
+ 
+@@ -2668,7 +2670,8 @@ exec_cmd(plot_struct *plot, char *comman
+ 		/* Load selected pattern or fill into a separate gc */
+ 		if (!fill_gc)
+ 		    fill_gc = XCreateGC(dpy, plot->window, 0, 0);
+-		XCopyGC(dpy, *current_gc, ~0, fill_gc);
++		if (current_gc)
++		    XCopyGC(dpy, *current_gc, ~0, fill_gc);
+ 
+ 		x11_setfill(&fill_gc, style);
+ 
diff --git a/gnuplot.spec b/gnuplot.spec
index 78ca121..39055ef 100644
--- a/gnuplot.spec
+++ b/gnuplot.spec
@@ -17,6 +17,9 @@ Source1: gnuplot-init.el
 
 Patch0: gnuplot-4.2.0-refers_to.patch
 Patch1: gnuplot-4.2.0-fonts.patch
+# resolves: #759964
+# submitted upstream: http://sourceforge.net/tracker/?func=detail&aid=3558970&group_id=2055&atid=302055
+Patch2: gnuplot-4.6.1-xcopygc-sigsegv.patch
 
 Requires: %{name}-common = %{version}-%{release}
 Requires: dejavu-sans-fonts
@@ -120,6 +123,7 @@ plotting tool.
 %setup -q
 %patch0 -p1 -b .refto
 %patch1 -p1 -b .font
+%patch2 -p1 -b .xcopygc
 sed -i -e 's:"/usr/lib/X11/app-defaults":"%{x11_app_defaults_dir}":' src/gplt_x11.c
 iconv -f windows-1252 -t utf-8 ChangeLog > ChangeLog.aux
 mv ChangeLog.aux ChangeLog
@@ -262,6 +266,8 @@ fi
 - resolves: #861849
   updated to 4.6.1
 - cleaned .spec file
+- resolves: #759964
+  fixed sigsegv
 
 * Thu Jul 19 2012 Fedora Release Engineering <rel-eng@lists.fedoraproject.org> - 4.6.0-2
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_18_Mass_Rebuild