diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index c139d5d64..7c4d89203 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -417,6 +417,11 @@ if ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "GNU")
 	target_compile_options(SRB2SDL2 PRIVATE -mno-ms-bitfields)
 endif()
 
+# Yes we know we use insecure CRT functions...
+if("${CMAKE_CXX_COMPILER_ID}" STREQUAL "MSVC")
+	target_compile_definitions(SRB2SDL2 PRIVATE -D_CRT_SECURE_NO_WARNINGS)
+endif()
+
 # Compiler warnings configuration
 target_compile_options(SRB2SDL2 PRIVATE
 	# Using generator expressions to handle per-language compile options