diff --git a/cmake_targets/CMakeLists.txt b/cmake_targets/CMakeLists.txt
index 51ec0bc4d7..c9307733b7 100644
--- a/cmake_targets/CMakeLists.txt
+++ b/cmake_targets/CMakeLists.txt
@@ -139,7 +139,7 @@ else (CMAKE_SYSTEM_PROCESSOR STREQUAL "armv7l")
   if(EXISTS  "/proc/cpuinfo")
     file(STRINGS "/proc/cpuinfo" CPUINFO REGEX flags LIMIT_COUNT 1)
     if (CPUINFO MATCHES "avx512bw")
-      set(C_FLAGS_PROCESSOR "${C_FLAGS_PROCESSOR} -mavx512bw -march=skylake-avx512 -mtune=skylake-avx512 " )
+      set(C_FLAGS_PROCESSOR "${C_FLAGS_PROCESSOR} -mavx512bw -march=skylake-avx512 -mtune=skylake-avx512" )
       set(COMPILATION_AVX2 "True")
     else()
       if (CPUINFO MATCHES "avx2")