1 files changed, 4 insertions, 4 deletions
diff --git a/Modules/_io/fileio.c b/Modules/_io/fileio.c
index 4e7c721..438848b 100644
--- a/Modules/_io/fileio.c
+++ b/Modules/_io/fileio.c
@@ -45,10 +45,10 @@
 typedef struct {
 	PyObject_HEAD
 	int fd;
-	unsigned readable : 1;
-	unsigned writable : 1;
-	int seekable : 2; /* -1 means unknown */
-	int closefd : 1;
+	unsigned int readable : 1;
+	unsigned int writable : 1;
+	signed int seekable : 2; /* -1 means unknown */
+	unsigned int closefd : 1;
 	PyObject *weakreflist;
 	PyObject *dict;
 } fileio;