diff --git a/mk/msvcgen/control.tlib b/mk/msvcgen/control.tlib
index 02e921789..21e7b9ff6 100644
--- a/mk/msvcgen/control.tlib
+++ b/mk/msvcgen/control.tlib
@@ -179,18 +179,18 @@ builds = [
 projtypes = {
   appcon =>
   {
-    defines = ['_CONSOLE']
+    defines = ['_CONSOLE','_CRT_SECURE_NO_DEPRECATE','_CRT_NONSTDC_NO_DEPRECATE']
   },
   appgui =>
   {
-    defines = ['_WINDOWS']
+    defines = ['_WINDOWS','_CRT_SECURE_NO_DEPRECATE','_CRT_NONSTDC_NO_DEPRECATE']
   },
   group =>
   {
   },
   library =>
   {
-    defines = ['_LIB', '_WINDOWS']
+    defines = ['_LIB', '_WINDOWS','_CRT_SECURE_NO_DEPRECATE','_CRT_NONSTDC_NO_DEPRECATE']
   }
 };