diff --git a/lib/ext2fs/ext2fs.h b/lib/ext2fs/ext2fs.h
index 9927875..1cd53f0 100644
--- a/lib/ext2fs/ext2fs.h
+++ b/lib/ext2fs/ext2fs.h
@@ -602,7 +602,7 @@ typedef struct ext2_icount *ext2_icount_t;
  * These features are only allowed if EXT2_FLAG_SOFTSUPP_FEATURES is passed
  * to ext2fs_openfs()
  */
-#define EXT2_LIB_SOFTSUPP_INCOMPAT	(0)
+#define EXT2_LIB_SOFTSUPP_INCOMPAT	(EXT4_FEATURE_INCOMPAT_INLINE_DATA)
 #define EXT2_LIB_SOFTSUPP_RO_COMPAT	(EXT4_FEATURE_RO_COMPAT_REPLICA)