diff --git a/migration-exec.c b/migration-exec.c
index 6ff844927c..54358271c5 100644
--- a/migration-exec.c
+++ b/migration-exec.c
@@ -141,8 +141,7 @@ int exec_start_incoming_migration(const char *command)
     }
 
     qemu_set_fd_handler2(qemu_stdio_fd(f), NULL,
-			 exec_accept_incoming_migration, NULL,
-			 (void *)(unsigned long)f);
+			 exec_accept_incoming_migration, NULL, f);
 
     return 0;
 }
diff --git a/migration-fd.c b/migration-fd.c
index 9cf52ce90b..0abd372af5 100644
--- a/migration-fd.c
+++ b/migration-fd.c
@@ -136,8 +136,7 @@ int fd_start_incoming_migration(const char *infd)
         return -errno;
     }
 
-    qemu_set_fd_handler2(fd, NULL, fd_accept_incoming_migration, NULL,
-			 (void *)(unsigned long)f);
+    qemu_set_fd_handler2(fd, NULL, fd_accept_incoming_migration, NULL, f);
 
     return 0;
 }