diff --git a/adbbu/twrpback.cpp b/adbbu/twrpback.cpp
index d9b973b..1c98a1b 100644
--- a/adbbu/twrpback.cpp
+++ b/adbbu/twrpback.cpp
@@ -330,7 +330,7 @@
 		//to the adb stream.
 		//If the stream is compressed, we need to always write the data.
 		if (writedata || compressed) {
-			while ((bytes = read(adb_read_fd, &result, sizeof(result))) == MAX_ADB_READ) {
+			while ((bytes = read(adb_read_fd, &result, sizeof(result))) > 0) {
 				if (firstDataPacket) {
 					struct AdbBackupControlType data_block;