diff --git a/archival/libunarchive/decompress_unzip.c b/archival/libunarchive/decompress_unzip.c
index e8767cef5..4c1d1780e 100644
--- a/archival/libunarchive/decompress_unzip.c
+++ b/archival/libunarchive/decompress_unzip.c
@@ -973,6 +973,7 @@ extern int inflate_gunzip(int in, int out)
 	/* Validate decompression - crc */
 	if (stored_crc != (gunzip_crc ^ 0xffffffffL)) {
 		bb_error_msg("crc error");
+		return -1;
 	}
 
 	/* Validate decompression - size */
@@ -980,6 +981,7 @@ extern int inflate_gunzip(int in, int out)
 		(bytebuffer[bytebuffer_offset] | (bytebuffer[bytebuffer_offset+1] << 8) |
 		(bytebuffer[bytebuffer_offset+2] << 16) | (bytebuffer[bytebuffer_offset+3] << 24))) {
 		bb_error_msg("Incorrect length");
+		return -1;
 	}
 
 	return 0;