diff --git a/readme.txt b/readme.txt
index 4a8e0e5d..a5400dca 100644
--- a/readme.txt
+++ b/readme.txt
@@ -103,6 +103,7 @@ File types supported by this version of vgmstream:
 - .amts (GC DSP ADPCM)
 - .svs (PS2 ADPCM)
 - .wav (8/16 bit PCM)
+- .lwav (8/16 bit PCM)
 - .pos (loop info for .wav)
 - .nwa (16 bit PCM)
 - .xss (16 bit PCM)
@@ -129,6 +130,7 @@ File types supported by this version of vgmstream:
 - .rstm (PS2 ADPCM)
 - .acm (InterPlay ACM)
 - .sli (loop info for .ogg)
+- .psh (PS2 ADPCM)
 
 Enjoy!
 -hcs
diff --git a/src/meta/riff.c b/src/meta/riff.c
index 799be26a..11422e41 100644
--- a/src/meta/riff.c
+++ b/src/meta/riff.c
@@ -104,7 +104,8 @@ VGMSTREAM * init_vgmstream_riff(STREAMFILE *streamFile) {
 
     /* check extension, case insensitive */
     streamFile->get_name(streamFile,filename,sizeof(filename));
-    if (strcasecmp("wav",filename_extension(filename))) goto fail;
+    if (strcasecmp("wav",filename_extension(filename)) &&
+        strcasecmp("lwav",filename_extension(filename))) goto fail;
 
     /* check header */
     if ((uint32_t)read_32bitBE(0,streamFile)!=0x52494646) /* "RIFF" */
diff --git a/unix/data.c b/unix/data.c
index 05097960..16f00f28 100644
--- a/unix/data.c
+++ b/unix/data.c
@@ -91,6 +91,7 @@ gchar *vgmstream_exts [] = {
   "acm",
   "mus",
   "sli",
+  "lwav",
   /* terminator */
   NULL
 };
diff --git a/winamp/in_vgmstream.c b/winamp/in_vgmstream.c
index a385cabf..b03a8675 100644
--- a/winamp/in_vgmstream.c
+++ b/winamp/in_vgmstream.c
@@ -155,6 +155,7 @@ char * extension_list[] = {
 	"dxh\0DXH Audio File (*.DXH)\0",
 	"psh\0PSH Audio File (*.PSH)\0",
     "sli\0SLI Audio File (*.SLI)\0",
+    "lwav\0LWAV Audio File (*.LWAV)\0",
 };
 
 void about(HWND hwndParent) {