diff --git a/src/liblzma/lz/lz_encoder.c b/src/liblzma/lz/lz_encoder.c
index e6a49fb1..1cca9bed 100644
--- a/src/liblzma/lz/lz_encoder.c
+++ b/src/liblzma/lz/lz_encoder.c
@@ -548,6 +548,7 @@ lzma_lz_encoder_init(lzma_next_coder *next, const lzma_allocator *allocator,
 		coder->lz.coder = NULL;
 		coder->lz.code = NULL;
 		coder->lz.end = NULL;
+		coder->lz.options_update = NULL;
 
 		// mf.size is initialized to silence Valgrind
 		// when used on optimized binaries (GCC may reorder