diff --git a/codec/console/dec/src/h264dec.cpp b/codec/console/dec/src/h264dec.cpp
index 2df7da05..3e04682f 100644
--- a/codec/console/dec/src/h264dec.cpp
+++ b/codec/console/dec/src/h264dec.cpp
@@ -32,6 +32,7 @@
  */
 
 #if defined (_WIN32)
+#define _CRT_SECURE_NO_WARNINGS
 #include <windows.h>
 #include <tchar.h>
 #else
diff --git a/codec/console/dec/src/read_config.cpp b/codec/console/dec/src/read_config.cpp
index 2639979b..31eb141e 100644
--- a/codec/console/dec/src/read_config.cpp
+++ b/codec/console/dec/src/read_config.cpp
@@ -38,6 +38,7 @@
  *
  *****************************************************************************/
 
+#define _CRT_SECURE_NO_WARNINGS
 #include <string.h>
 #include <stdio.h>
 
diff --git a/codec/console/enc/src/welsenc.cpp b/codec/console/enc/src/welsenc.cpp
index 981f86c0..42a8ecee 100644
--- a/codec/console/enc/src/welsenc.cpp
+++ b/codec/console/enc/src/welsenc.cpp
@@ -30,6 +30,7 @@
  *
  */
 
+#define _CRT_SECURE_NO_WARNINGS
 #include <stdio.h>
 #include <string.h>
 #include <assert.h>