diff --git a/CMakeLists.txt b/CMakeLists.txt
index e2f09034e..f5b0ae74a 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -243,7 +243,7 @@ endif()
 
 # Set warning levels for different builds
 if(UNIX)
-  set(CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE} --no-warnings")
+  set(CMAKE_C_FLAGS_RELEASE "${CMAKE_C_FLAGS_RELEASE} --no-warnings ")
   set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} --no-warnings")
   set(CMAKE_C_FLAGS_DEBUG "${CMAKE_C_FLAGS_DEBUG} -Wall -Wfatal-errors -Wextra")
   set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} -Wall -Wfatal-errors -Wextra")