diff --git a/src/dos_m65/dev_sdcard/dev_sd_cmd_open.s b/src/dos_m65/dev_sdcard/dev_sd_cmd_open.s
index d1f154ae..313cf2cc 100644
--- a/src/dos_m65/dev_sdcard/dev_sd_cmd_open.s
+++ b/src/dos_m65/dev_sdcard/dev_sd_cmd_open.s
@@ -43,7 +43,7 @@ dev_sd_cmd_OPEN_dir:
 
 	ldy #$00
 @lp2:
-	lda SD_MODE, y
+	lda SD_CMDFN_BUF+1, y
 	beq @lp2_end
 	sta PAR_FPATTERN, y
 	iny
diff --git a/src/dos_m65/dev_sdcard/fs_hvsr_read_dir.s b/src/dos_m65/dev_sdcard/fs_hvsr_read_dir.s
index 9d9467d9..c7d9abf6 100644
--- a/src/dos_m65/dev_sdcard/fs_hvsr_read_dir.s
+++ b/src/dos_m65/dev_sdcard/fs_hvsr_read_dir.s
@@ -62,9 +62,8 @@ fs_hvsr_read_dir:
 
 	; Check if file name matches the filter
 
-	; XXX debug this
-	; jsr util_dir_filter
-	; bne fs_hvsr_read_dir               ; if does not match, try the next entry
+	jsr util_dir_filter
+	bne fs_hvsr_read_dir               ; if does not match, try the next entry
 
 	; Otherwise, convert the file length from bytes to blocks to display