diff --git a/multimedia/gstreamer1-libav/files/patch-gst-libs_ext_libav_libavutil_x86_asm.h b/multimedia/gstreamer1-libav/files/patch-gst-libs_ext_libav_libavutil_x86_asm.h
new file mode 100644
index 000000000000..a34fbb72955f
--- /dev/null
+++ b/multimedia/gstreamer1-libav/files/patch-gst-libs_ext_libav_libavutil_x86_asm.h
@@ -0,0 +1,11 @@
+--- gst-libs/ext/libav/libavutil/x86/asm.h.orig	2017-09-18 13:21:09 UTC
++++ gst-libs/ext/libav/libavutil/x86/asm.h
+@@ -72,7 +72,7 @@ typedef int32_t x86_reg;
+ typedef int x86_reg;
+ #endif
+ 
+-#define HAVE_7REGS (ARCH_X86_64 || (HAVE_EBX_AVAILABLE && HAVE_EBP_AVAILABLE))
++#define HAVE_7REGS (ARCH_X86_64 || (HAVE_EBX_AVAILABLE && HAVE_EBP_AVAILABLE && !defined(__clang__)))
+ #define HAVE_6REGS (ARCH_X86_64 || (HAVE_EBX_AVAILABLE || HAVE_EBP_AVAILABLE))
+ 
+ #if ARCH_X86_64 && defined(PIC)