diff --git a/rehlds/CMakeLists.txt b/rehlds/CMakeLists.txt
index 73fb168..33c5d1f 100644
--- a/rehlds/CMakeLists.txt
+++ b/rehlds/CMakeLists.txt
@@ -47,7 +47,11 @@ else()
 		-Wno-sign-compare -Wno-strict-aliasing -Wno-ignored-attributes")
 
 	if (NOT USE_CLANG_COMPILER)
-		set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wno-stringop-truncation -Wno-format-truncation -Wno-unused-but-set-variable -Wno-class-memaccess")
+		set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wno-unused-but-set-variable")
+
+		if (CMAKE_CXX_COMPILER_VERSION VERSION_GREATER_EQUAL 8.0)
+			set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wno-stringop-truncation -Wno-format-truncation -Wno-class-memaccess")
+		endif()
 	endif()
 endif()
 
diff --git a/rehlds/filesystem/FileSystem_Stdio/CMakeLists.txt b/rehlds/filesystem/FileSystem_Stdio/CMakeLists.txt
index ab6c8bc..72b486e 100644
--- a/rehlds/filesystem/FileSystem_Stdio/CMakeLists.txt
+++ b/rehlds/filesystem/FileSystem_Stdio/CMakeLists.txt
@@ -42,7 +42,7 @@ else()
 		-Wno-unknown-pragmas -Wno-unused-result -Wno-unused-variable -Wno-unused-function\
 		-Wno-write-strings -Wno-sign-compare")
 
-	if (NOT USE_CLANG_COMPILER)
+	if (NOT USE_CLANG_COMPILER AND CMAKE_CXX_COMPILER_VERSION VERSION_GREATER_EQUAL 8.0)
 		set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wno-stringop-truncation -Wno-class-memaccess")
 	endif()
 endif()