diff --git a/CMakeLists.txt b/CMakeLists.txt
index 0257a99f3..a4bf351b0 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -10,6 +10,7 @@ set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/bin)
 set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wall")
 set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wextra")
 set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wno-unused-parameter")
+set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wno-unused-result")
 set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Werror")
 if (CMAKE_COMPILER_IS_GNUCC)
     if(NOT CMAKE_C_COMPILER_VERSION VERSION_LESS 7.0)