diff --git a/contrib/liblzma/rangecoder/range_common.h b/contrib/liblzma/rangecoder/range_common.h
index 1333491..5f17c33 100644
--- a/contrib/liblzma/rangecoder/range_common.h
+++ b/contrib/liblzma/rangecoder/range_common.h
@@ -19,7 +19,7 @@
 #else
 #	include <inttypes.h>
 #	include <stdbool.h>
-#       include <stddef.h>
+#	include <stddef.h>
 #endif