diff --git a/uudeview-matherr.patch b/uudeview-matherr.patch
new file mode 100644
index 0000000..55e0b4c
--- /dev/null
+++ b/uudeview-matherr.patch
@@ -0,0 +1,17 @@
+--- a/uudeview-0.5.20/tcl/uutcl.c	2018-03-15 20:53:21.698000000 +0000
++++ b/uudeview-0.5.20/tcl/uutcl.c	2018-03-15 20:53:32.646000000 +0000
+@@ -48,14 +48,6 @@
+ #include <tcl.h>
+ #endif
+ 
+-/*
+- * The following variable is a special hack that is needed in order for
+- * Sun shared libraries to be used for Tcl.
+- */
+-
+-extern int matherr();
+-int *tclDummyMathPtr = (int *) matherr;
+-
+ #include <uudeview.h>
+ #include <uuint.h>
+ #include <fptools.h>
diff --git a/uudeview.changes b/uudeview.changes
index 83e12c5..999ca61 100644
--- a/uudeview.changes
+++ b/uudeview.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Sun May 13 13:03:11 UTC 2018 - bjorn.lie@gmail.com
+
+- Add uudeview-matherr.patch: Patch taken from fedora, fixes build.
+
 -------------------------------------------------------------------
 Mon Jan  8 17:58:34 UTC 2018 - crrodriguez@opensuse.org
 
diff --git a/uudeview.spec b/uudeview.spec
index 2236113..c9f476c 100644
--- a/uudeview.spec
+++ b/uudeview.spec
@@ -31,6 +31,7 @@ License:        GPL-2.0+
 Group:          Productivity/Networking/News/Utilities
 Source:         %{name}-%{version}.tar.bz2
 Patch0:         %{name}.patch
+Patch1:         %{name}-matherr.patch
 BuildRoot:      %{_tmppath}/%{name}-%{version}-build
 
 %description
@@ -42,6 +43,7 @@ uuencode utilities.
 %prep
 %setup -q 
 %patch0
+%patch1 -p2
 
 %build
 autoconf