diff --git a/cmake/modules/AddCompilerFlags.cmake b/cmake/modules/AddCompilerFlags.cmake
--- a/cmake/modules/AddCompilerFlags.cmake
+++ b/cmake/modules/AddCompilerFlags.cmake
@@ -3,22 +3,22 @@
 include(CheckCCompilerFlag)
 include(SanitizeHelper)
 
-function(check_compiler_flag RESULT LANGUAGE FLAG)
-	sanitize_c_cxx_definition("have_${LANGUAGE}_" ${FLAG} TEST_NAME)
+function(check_compiler_flags RESULT LANGUAGE)
+	sanitize_c_cxx_definition("have_${LANGUAGE}_" "${ARGN}" TEST_NAME)
 
 	if("${LANGUAGE}" STREQUAL "C")
-		CHECK_C_COMPILER_FLAG(${FLAG} ${TEST_NAME})
+		CHECK_C_COMPILER_FLAG("${ARGN}" ${TEST_NAME})
 	elseif("${LANGUAGE}" STREQUAL "CXX")
-		CHECK_CXX_COMPILER_FLAG(${FLAG} ${TEST_NAME})
+		CHECK_CXX_COMPILER_FLAG("${ARGN}" ${TEST_NAME})
 	else()
-		message(FATAL_ERROR "check_compiler_flag LANGUAGE should be C or CXX")
+		message(FATAL_ERROR "check_compiler_flags LANGUAGE should be C or CXX")
 	endif()
 	set(${RESULT} ${${TEST_NAME}} PARENT_SCOPE)
 endfunction()
 
 function(add_compiler_flags_for_language LANGUAGE)
 	foreach(f ${ARGN})
-		check_compiler_flag(FLAG_IS_SUPPORTED ${LANGUAGE} ${f})
+		check_compiler_flags(FLAG_IS_SUPPORTED ${LANGUAGE} ${f})
 		if(${FLAG_IS_SUPPORTED})
 			add_compile_options($<$<COMPILE_LANGUAGE:${LANGUAGE}>:${f}>)
 		endif()
@@ -71,7 +71,7 @@
 
 function(add_compile_options_to_configuration_for_language CONFIGURATION LANGUAGE)
 	foreach(f ${ARGN})
-		check_compiler_flag(FLAG_IS_SUPPORTED ${LANGUAGE} ${f})
+		check_compiler_flags(FLAG_IS_SUPPORTED ${LANGUAGE} ${f})
 		if(${FLAG_IS_SUPPORTED})
 			add_compile_options($<$<AND:$<CONFIG:${CONFIGURATION}>,$<COMPILE_LANGUAGE:${LANGUAGE}>>:${f}>)
 		endif()
@@ -111,7 +111,7 @@
 	# CHECK_CXX_COMPILER_FLAG() will return false, preventing the flag from
 	# being set.
 	set(WERROR_UNUSED_ARG -Werror=unused-command-line-argument)
-	check_compiler_flag(IS_WERROR_SUPPORTED CXX ${WERROR_UNUSED_ARG})
+	check_compiler_flags(IS_WERROR_SUPPORTED CXX ${WERROR_UNUSED_ARG})
 	if(${IS_WERROR_SUPPORTED})
 		set(CMAKE_REQUIRED_FLAGS ${WERROR_UNUSED_ARG})
 	endif()
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -72,7 +72,7 @@
 # Prefer -g3, defaults to -g if unavailable
 foreach(LANGUAGE C CXX)
 	set(COMPILER_DEBUG_LEVEL -g)
-	check_compiler_flag(G3_IS_SUPPORTED ${LANGUAGE} -g3)
+	check_compiler_flags(G3_IS_SUPPORTED ${LANGUAGE} -g3)
 	if(${G3_IS_SUPPORTED})
 		set(COMPILER_DEBUG_LEVEL -g3)
 	endif()
@@ -112,7 +112,7 @@
 	# doesn't tell if the visibility set is effective.
 	# Check if the flag -fvisibility=hidden is supported, as using the hidden
 	# visibility is a requirement to reduce exports.
-	check_compiler_flag(HAS_CXX_FVISIBILITY CXX -fvisibility=hidden)
+	check_compiler_flags(HAS_CXX_FVISIBILITY CXX -fvisibility=hidden)
 	if(NOT HAS_CXX_FVISIBILITY)
 		message(FATAL_ERROR "Cannot set default symbol visibility. Use -DENABLE_REDUCE_EXPORTS=OFF.")
 	endif()