1 files changed, 3 insertions, 0 deletions
diff --git a/cygwin/cygwin.c b/cygwin/cygwin.c
index 6a717130bc..0b4dcc8ef7 100644
--- a/cygwin/cygwin.c
+++ b/cygwin/cygwin.c
@@ -147,6 +147,9 @@ XS(Cygwin_cwd)
     if((cwd = getcwd(NULL, -1))) {
 	ST(0) = sv_2mortal(newSVpv(cwd, 0));
 	safesysfree(cwd);
+#ifndef INCOMPLETE_TAINTS
+	SvTAINTED_on(ST(0));
+#endif
 	XSRETURN(1);
     }
     XSRETURN_UNDEF;