diff --git a/dediprog.c b/dediprog.c
index 175e099..99df7b0 100644
--- a/dediprog.c
+++ b/dediprog.c
@@ -1188,7 +1188,6 @@
 			ret = dediprog_open(i);
 			if (ret == -1) {
 				/* no dev */
-				libusb_exit(usb_ctx);
 				return 1;
 			} else if (ret == -2) {
 				/* busy dev */