diff --git a/CMakeLists.txt b/CMakeLists.txt
index 100fb9e..4c80379 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -64,7 +64,7 @@ if(NOT DISABLE_CPU_OPTIMIZATION)
             OUTPUT_VARIABLE AVX2)
         execute_process(COMMAND grep -c "avx " /proc/cpuinfo
             OUTPUT_VARIABLE AVX)
-        execute_process(COMMAND grep -c "sse " /proc/cpuinfo
+        execute_process(COMMAND grep -c "sse4_1 " /proc/cpuinfo
             OUTPUT_VARIABLE SSE)
         execute_process(COMMAND grep -c "neon" /proc/cpuinfo
             OUTPUT_VARIABLE NEON)
@@ -92,9 +92,9 @@ elseif(${AVX} OR ${AVX} GREATER 0)
     message(STATUS "avx processor flags found or enabled.")
     set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -mavx")
 elseif(${SSE} OR ${SSE} GREATER 0)
-# AVX and AVX2 machines will also match on AVX
+# AVX and AVX2 machines will also match on SSE
     message(STATUS "sse processor flags found or enabled.")
-    set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -msse")
+    set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -msse4.1")
 endif()
 
 # RPi / ARM 32bit