diff --git a/initialize-soundfile-format.patch b/initialize-soundfile-format.patch
new file mode 100644
index 0000000..752ec45
--- /dev/null
+++ b/initialize-soundfile-format.patch
@@ -0,0 +1,12 @@
+Index: mumble-1.2.19/src/mumble/AudioOutputSample.cpp
+===================================================================
+--- mumble-1.2.19.orig/src/mumble/AudioOutputSample.cpp
++++ mumble-1.2.19/src/mumble/AudioOutputSample.cpp
+@@ -41,6 +41,7 @@ SoundFile::SoundFile(const QString &fnam
+ 	siInfo.samplerate = 0;
+ 	siInfo.sections = 0;
+ 	siInfo.seekable = 0;
++	siInfo.format = 0;
+ 
+ 	sfFile = NULL;
+ 
diff --git a/mumble.changes b/mumble.changes
index 3600e6b..6e622f6 100644
--- a/mumble.changes
+++ b/mumble.changes
@@ -1,3 +1,9 @@
+-------------------------------------------------------------------
+Thu Jun  8 06:30:23 UTC 2017 - alarrosa@suse.com
+
+- Add initialize-soundfile-format.patch to initilalize a variable so
+  it's not used later uninitialized. 
+
 -------------------------------------------------------------------
 Wed Feb  1 16:12:50 UTC 2017 - adam.majer@suse.de
 
diff --git a/mumble.spec b/mumble.spec
index d62c7a0..349392c 100644
--- a/mumble.spec
+++ b/mumble.spec
@@ -67,6 +67,8 @@ Patch0:         mumble-1.2.2-buildcompare.diff
 Patch1:         mumble-1.2.11-desktop_fix.diff
 # PATCH-FEATURE-UPSTREAM https://github.com/mumble-voip/mumble/pull/2564
 Patch2:         appdata.patch
+# PATCH-FIX-UPSTREAM initialize-soundfile-format.patch -- Initialize a variable so it's not used uninitialized
+Patch3:         initialize-soundfile-format.patch
 %if 0%{?suse_version} > 1325
 BuildRequires:  libboost_headers-devel
 %else
@@ -189,6 +191,7 @@ won't be audible to other players.
 %patch0 -p1
 %patch1 -p1
 %patch2 -p1
+%patch3 -p1
 %if !%{with system_celt}
 %if 0%{?snapshot:1}
 tar -xzf %{SOURCE50}