diff --git a/src/formats.c b/src/formats.c
index da74daf1..d90f7e4e 100644
--- a/src/formats.c
+++ b/src/formats.c
@@ -231,6 +231,7 @@ static const char* extension_list[] = {
     "omu",
     //"opus", //common
     "otm",
+    "ovb",
 
     "p1d", //txth/reserved [Farming Simulator 18 (3DS)]
     "p2bt",
@@ -336,7 +337,6 @@ static const char* extension_list[] = {
 
     "tec",
     "thp",
-    "tk1",
     "tk5",
     "tra",
     "tun",
diff --git a/src/meta/ps2_tk5.c b/src/meta/ps2_tk5.c
index f0df29e1..aefb4f8e 100644
--- a/src/meta/ps2_tk5.c
+++ b/src/meta/ps2_tk5.c
@@ -71,8 +71,7 @@ VGMSTREAM * init_vgmstream_ps2_tk1(STREAMFILE *streamFile) {
     int loop_flag = 0, channel_count;
 
     /* checks */
-    /* .ovb: actual extension, tk1: fake extension */
-    if (!check_extensions(streamFile, "ovb,tk1"))
+    if (!check_extensions(streamFile, "ovb"))
         goto fail;
 
     if (read_32bitBE(0x00,streamFile) != 0x544B3553)