diff --git a/block.c b/block.c
index 9264e42a63..dfa1edc3ca 100644
--- a/block.c
+++ b/block.c
@@ -35,6 +35,10 @@
 #define SECTOR_BITS 9
 #define SECTOR_SIZE (1 << SECTOR_BITS)
 
+#ifndef ENOMEDIUM
+#define ENOMEDIUM ENODEV
+#endif
+
 typedef struct BlockDriverAIOCBSync {
     BlockDriverAIOCB common;
     QEMUBH *bh;