diff --git a/sk1/compressor.c b/sk1/compressor.c
index 17d1ac9..1751397 100644
--- a/sk1/compressor.c
+++ b/sk1/compressor.c
@@ -100,7 +100,7 @@ int decompress_1(const char* input_file_name, const char* output_file_name) {
     free(data);
     free(decompressed);
 
-    return result == 0 ? (int)out_size : -1;
+    return 0;
 }
 
 // LZ78