diff --git a/libusb/os/events_posix.c b/libusb/os/events_posix.c
index 952ea5f..b74189b 100644
--- a/libusb/os/events_posix.c
+++ b/libusb/os/events_posix.c
@@ -254,7 +254,6 @@
 	}
 #endif
 
-	assert(num_ready > 0);
 	if (!num_ready)
 		goto done;
 
diff --git a/libusb/version_nano.h b/libusb/version_nano.h
index a0044a0..829e7a0 100644
--- a/libusb/version_nano.h
+++ b/libusb/version_nano.h
@@ -1 +1 @@
-#define LIBUSB_NANO 11550
+#define LIBUSB_NANO 11551