diff --git a/multimedia/sound/audiofile/files/unsigned-gcc6.patch b/multimedia/sound/audiofile/files/unsigned-gcc6.patch
new file mode 100644
index 0000000000..01baeb5e63
--- /dev/null
+++ b/multimedia/sound/audiofile/files/unsigned-gcc6.patch
@@ -0,0 +1,28 @@
+From 28cfdbbcb96a69087c3d21faf69b5eae7bcf6d69 Mon Sep 17 00:00:00 2001
+From: Hodorgasm <nsane457@gmail.com>
+Date: Wed, 11 May 2016 21:42:07 -0400
+Subject: [PATCH] Cast to unsigned while left bit-shifting
+
+GCC-6 now treats the left bitwise-shift of a negative integer as nonconformant so explicitly cast to an unsigned int while bit-shifting.
+
+Downloaded from upstream PR:
+https://github.com/mpruett/audiofile/pull/28
+
+Signed-off-by: Bernd Kuhls <bernd.kuhls@t-online.de>
+---
+ libaudiofile/modules/SimpleModule.h | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/libaudiofile/modules/SimpleModule.h b/libaudiofile/modules/SimpleModule.h
+index 03c6c69..4014fb2 100644
+--- a/libaudiofile/modules/SimpleModule.h
++++ b/libaudiofile/modules/SimpleModule.h
+@@ -123,7 +123,7 @@ struct signConverter
+ 	typedef typename IntTypes<Format>::UnsignedType UnsignedType;
+ 
+ 	static const int kScaleBits = (Format + 1) * CHAR_BIT - 1;
+-	static const int kMinSignedValue = -1 << kScaleBits;
++	static const int kMinSignedValue = static_cast<signed>(static_cast<unsigned>(-1) << kScaleBits);;
+ 
+ 	struct signedToUnsigned : public std::unary_function<SignedType, UnsignedType>
+ 	{
diff --git a/multimedia/sound/audiofile/pspec.xml b/multimedia/sound/audiofile/pspec.xml
index b6fb221a2b..a2fed13d22 100644
--- a/multimedia/sound/audiofile/pspec.xml
+++ b/multimedia/sound/audiofile/pspec.xml
@@ -17,7 +17,10 @@
         <BuildDependencies>
             <Dependency>alsa-lib-devel</Dependency>
             <Dependency>flac-devel</Dependency>
-    </BuildDependencies>
+        </BuildDependencies>
+        <Patches>
+            <Patch>unsigned-gcc6.patch</Patch>
+        </Patches>
     </Source>
 
     <Package>
@@ -25,6 +28,7 @@
         <RuntimeDependencies>
             <Dependency>alsa-lib</Dependency>
             <Dependency>flac</Dependency>
+            <Dependency>libgcc</Dependency>
         </RuntimeDependencies>
         <Files>
             <Path fileType="executable">/usr/bin</Path>
@@ -57,7 +61,6 @@
         <BuildDependencies>
             <Dependency>alsa-lib-32bit</Dependency>
             <Dependency>flac-32bit</Dependency>
-            
         </BuildDependencies>
         <RuntimeDependencies>
             <Dependency>alsa-lib-32bit</Dependency>
@@ -92,4 +95,4 @@
             <Email>kaptan@pisilinux.org</Email>
         </Update>
     </History>
-</PISI>
+</PISI>
\ No newline at end of file