diff --git a/lib/TH/CMakeLists.txt b/lib/TH/CMakeLists.txt
index 803dfe1a..518c1573 100644
--- a/lib/TH/CMakeLists.txt
+++ b/lib/TH/CMakeLists.txt
@@ -217,16 +217,25 @@ IF(C_AVX2_FOUND OR C_AVX_FOUND OR C_SSE4_2_FOUND OR C_SSE4_1_FOUND)
   SET(simd generic/simd/convolve.c)
 ENDIF(C_AVX2_FOUND OR C_AVX_FOUND OR C_SSE4_2_FOUND OR C_SSE4_1_FOUND)
 
-# IF SSE4 FOUND
-IF(C_SSE4_1_FOUND AND C_SSE4_2_FOUND)
-  SET(CMAKE_C_FLAGS "${C_SSE4_1_FLAGS} -DUSE_SSE4_1 ${C_SSE4_2_FLAGS} -DUSE_SSE4_2 ${CMAKE_C_FLAGS}")
+# IF SSE4.1 FOUND
+IF(C_SSE4_1_FOUND)
+  SET(CMAKE_C_FLAGS "${C_SSE4_1_FLAGS} -DUSE_SSE4_1")
+ENDIF(C_SSE4_1_FOUND)
+
+# IF SSE4.2 FOUND
+IF(C_SSE4_2_FOUND)
+  SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} ${C_SSE4_2_FLAGS} -DUSE_SSE4_2")
+ENDIF(C_SSE4_2_FOUND)
+
+# IF SSE4.1 OR SSE4.2 FOUND
+IF(C_SSE4_1_FOUND OR C_SSE4_2_FOUND)
   IF(MSVC)
     SET_SOURCE_FILES_PROPERTIES(generic/simd/convolve5x5_sse.c PROPERTIES COMPILE_FLAGS "/Ox /fp:fast")
   ELSE(MSVC)
     SET_SOURCE_FILES_PROPERTIES(generic/simd/convolve5x5_sse.c PROPERTIES COMPILE_FLAGS "-O3 -ffast-math")
   ENDIF(MSVC)
   SET(simd ${simd} generic/simd/convolve5x5_sse.c)
-ENDIF(C_SSE4_1_FOUND AND C_SSE4_2_FOUND)
+ENDIF(C_SSE4_1_FOUND OR C_SSE4_2_FOUND)
 
 # IF AVX FOUND
 IF(C_AVX_FOUND)