1 files changed, 3 insertions, 0 deletions
diff --git a/taint.c b/taint.c
index 1eab0827af..1c74f87a90 100644
--- a/taint.c
+++ b/taint.c
@@ -82,6 +82,9 @@ Perl_taint_env(pTHX)
 	"CDPATH",	/* ksh dain bramage #1 */
 	"ENV",		/* ksh dain bramage #2 */
 	"BASH_ENV",	/* bash dain bramage -- I guess it's contagious */
+#ifdef WIN32
+	"PERL5SHELL",	/* used for system() on Windows */
+#endif
 	NULL
     };