diff --git a/src/core/ev.c b/src/core/ev.c
index 5d4e04c5..0303a36e 100644
--- a/src/core/ev.c
+++ b/src/core/ev.c
@@ -3308,16 +3308,15 @@ static JanetFile *get_file_for_stream(JanetStream *stream) {
     if (fd_dup < 0) return NULL;
     FILE *f = _fdopen(fd_dup, fmt);
     if (NULL == f) {
-        /* the stream isn't duplicated so this would close the stream
-         * _close(fd); */
+        _close(fd_dup);
         return NULL;
     }
 #else
-    int newHandle = dup(stream->handle);
-    if (newHandle < 0) return NULL;
-    FILE *f = fdopen(newHandle, fmt);
+    int fd_dup = dup(stream->handle);
+    if (fd_dup < 0) return NULL;
+    FILE *f = fdopen(fd_dup, fmt);
     if (NULL == f) {
-        close(newHandle);
+        close(fd_dup);
         return NULL;
     }
 #endif
@@ -3329,17 +3328,10 @@ JANET_CORE_FN(janet_cfun_to_file,
               "Create core/file copy of the stream. This value can be used "
               "when blocking IO behavior is needed.") {
     janet_fixarity(argc, 1);
-#ifdef JANET_MINGW
-    (void) argc;
-    (void) argv;
-    janet_panic("ev/to-file not supported on MinGW");
-    return janet_wrap_nil();
-#else
     JanetStream *stream = janet_getabstract(argv, 0, &janet_stream_type);
     JanetFile *iof = get_file_for_stream(stream);
     if (iof == NULL) janet_panic("cannot make file from stream");
     return janet_wrap_abstract(iof);
-#endif
 }
 
 JANET_CORE_FN(janet_cfun_ev_all_tasks,