diff --git a/CMakeLists.txt b/CMakeLists.txt
index 8f10e0c1..804df5e2 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -69,7 +69,7 @@ if (MSVC)
 elseif ("${CMAKE_C_COMPILER_ID}" STREQUAL "GNU" OR
         "${CMAKE_C_COMPILER_ID}" STREQUAL "Clang" OR
         "${CMAKE_C_COMPILER_ID}" STREQUAL "AppleClang")
-  set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wall -Wextra -Werror -pedantic")
+  set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wall -Wextra -Werror -pedantic -Wno-implicit-function-declaration")
 endif (MSVC)
 
 ####