diff --git a/tests/zstreamtest.c b/tests/zstreamtest.c
index b528450..ce61930 100644
--- a/tests/zstreamtest.c
+++ b/tests/zstreamtest.c
@@ -12,6 +12,7 @@
 *  Compiler specific
 **************************************/
 #ifdef _MSC_VER    /* Visual Studio */
+#  define _CRT_SECURE_NO_WARNINGS     /* fgets */
 #  pragma warning(disable : 4127)     /* disable: C4127: conditional expression is constant */
 #  pragma warning(disable : 4146)     /* disable: C4146: minus unsigned expression */
 #endif