diff --git a/fs/ext2/inode.c b/fs/ext2/inode.c
index 338eefda70c6fc4e2055c0165b590febf1295acb..27e2cdd4999b7791c1da784dcc7991fcffc50f67 100644
--- a/fs/ext2/inode.c
+++ b/fs/ext2/inode.c
@@ -1296,7 +1296,7 @@ void ext2_set_inode_flags(struct inode *inode)
 		inode->i_flags |= S_NOATIME;
 	if (flags & EXT2_DIRSYNC_FL)
 		inode->i_flags |= S_DIRSYNC;
-	if (test_opt(inode->i_sb, DAX))
+	if (test_opt(inode->i_sb, DAX) && S_ISREG(inode->i_mode))
 		inode->i_flags |= S_DAX;
 }
 
diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
index 9cc57c3b466123f597dc28c6daed902faa7db081..5708e689e63dda679608f7bb262e824e31e78aa1 100644
--- a/fs/ext4/inode.c
+++ b/fs/ext4/inode.c
@@ -4155,7 +4155,7 @@ void ext4_set_inode_flags(struct inode *inode)
 		new_fl |= S_NOATIME;
 	if (flags & EXT4_DIRSYNC_FL)
 		new_fl |= S_DIRSYNC;
-	if (test_opt(inode->i_sb, DAX))
+	if (test_opt(inode->i_sb, DAX) && S_ISREG(inode->i_mode))
 		new_fl |= S_DAX;
 	inode_set_flags(inode, new_fl,
 			S_SYNC|S_APPEND|S_IMMUTABLE|S_NOATIME|S_DIRSYNC|S_DAX);