diff --git a/dont-vectorize-like-a-clang-e2k.patch b/dont-vectorize-like-a-clang-e2k.patch
new file mode 100644
index 0000000..9bb45ca
--- /dev/null
+++ b/dont-vectorize-like-a-clang-e2k.patch
@@ -0,0 +1,13 @@
+diff --git a/lib/common/compiler.h b/lib/common/compiler.h
+index 95e9483..088afcf 100644
+--- a/lib/common/compiler.h
++++ b/lib/common/compiler.h
+@@ -139,7 +139,7 @@
+
+ /* vectorization
+  * older GCC (pre gcc-4.3 picked as the cutoff) uses a different syntax */
+-#if !defined(__INTEL_COMPILER) && !defined(__clang__) && defined(__GNUC__)
++#if !defined(__INTEL_COMPILER) && !defined(__clang__) && defined(__GNUC__) && !defined(__LCC__)
+ #  if (__GNUC__ == 4 && __GNUC_MINOR__ > 3) || (__GNUC__ >= 5)
+ #    define DONT_VECTORIZE __attribute__((optimize("no-tree-vectorize")))
+ #  else
diff --git a/zstd.spec b/zstd.spec
index 0cf1af2..6b6eb3f 100644
--- a/zstd.spec
+++ b/zstd.spec
@@ -17,6 +17,7 @@ Url:		http://www.zstd.net/
 Source0:	https://github.com/facebook/zstd/archive/v%{version}/%{name}-%{version}.tar.gz
 Patch0:		zstd-1.3.4-multi-thread-default.patch
 Patch1:		define-mtime-e2k.patch
+Patch2:		dont-vectorize-like-a-clang-e2k.patch
 BuildRequires:	gtest-devel
 BuildRequires:	pkgconfig(liblz4)
 BuildRequires:	pkgconfig(liblzma)