diff --git a/src/compress.h b/src/compress.h
index 8282e3fbe..21fe50ee9 100644
--- a/src/compress.h
+++ b/src/compress.h
@@ -7,7 +7,7 @@
 
 namespace maxcso {
 
-static const char *VERSION = "1.4.5";
+static const char *VERSION = "1.4.6";
 
 struct Task;
 
diff --git a/src/input.cpp b/src/input.cpp
index 1f9718ea6..4ba604b28 100644
--- a/src/input.cpp
+++ b/src/input.cpp
@@ -237,6 +237,7 @@ void Input::ReadSector() {
 
 			if (!compressedDeflate && !compressedLZ4 && offset != 0) {
 				pos += offset;
+				len -= offset;
 				offset = 0;
 			}
 		}
@@ -251,6 +252,7 @@ void Input::ReadSector() {
 
 			if (!compressedDeflate && offset != 0) {
 				pos += offset;
+				len -= offset;
 				offset = 0;
 			}
 		}