diff --git a/build_files/scons/config/win64-mingw-config.py b/build_files/scons/config/win64-mingw-config.py
index 16574f7b4eb..ab39568df55 100644
--- a/build_files/scons/config/win64-mingw-config.py
+++ b/build_files/scons/config/win64-mingw-config.py
@@ -188,10 +188,10 @@ REL_CFLAGS = []
 REL_CXXFLAGS = []
 REL_CCFLAGS = ['-O2', '-ftree-vectorize']
 
-# NOTE: C_WARN gets ignored
-#C_WARN = ['-Wno-char-subscripts', '-Wdeclaration-after-statement', '-Wstrict-prototypes']
+# NOTE: C_WARN seems to get ignored - at least -Wno-char-subscripts doesn't work!
+C_WARN = ['-Wno-char-subscripts', '-Wdeclaration-after-statement', '-Wstrict-prototypes']
 
-CC_WARN = [ '-Wall', '-Wno-char-subscripts', '-Wdeclaration-after-statement', '-Wstrict-prototypes' ]
+CC_WARN = [ '-Wall', '-Wno-char-subscripts' ]
 
 LLIBS = ['-lshell32', '-lshfolder', '-lgdi32', '-lmsvcrt', '-lwinmm', '-lmingw32', '-lm', '-lws2_32', '-lz', '-lstdc++','-lole32','-luuid', '-lwsock32', '-lpsapi', '-lpthread']