Index: src/OFInflateStream.m
==================================================================
--- src/OFInflateStream.m
+++ src/OFInflateStream.m
@@ -325,10 +325,13 @@
 		tmp = (length < (size_t)CTX.length - CTX.position
 		    ? (uint16_t)length : CTX.length - CTX.position);
 
 		tmp = (uint16_t)[_stream readIntoBuffer: buffer + bytesWritten
 						 length: tmp];
+
+		if OF_UNLIKELY (tmp == 0)
+			return bytesWritten;
 
 		slidingWindow = _slidingWindow;
 		slidingWindowIndex = _slidingWindowIndex;
 		for (uint_fast16_t i = 0; i < tmp; i++) {
 			slidingWindow[slidingWindowIndex] =