diff --git a/widget/public/Makefile.in b/widget/public/Makefile.in
index 0d5a819b6a9f..09058194af12 100644
--- a/widget/public/Makefile.in
+++ b/widget/public/Makefile.in
@@ -83,9 +83,9 @@ EXPORTS := $(addprefix $(srcdir)/, $(EXPORTS))
 MODULE = raptor
 XPIDL_MODULE = widget
 
-XPIDLSRCS =                              \
-	nsIFileSpecWithUI.idl              \
-	nsISound.idl                       \
+XPIDLSRCS =				\
+	nsIFileSpecWithUI.idl		\
+	nsISound.idl			\
 	$(NULL)
 
 include $(topsrcdir)/config/config.mk
diff --git a/widget/public/nsISound.idl b/widget/public/nsISound.idl
index 9aa7ea99ef39..f7a77c726ce5 100644
--- a/widget/public/nsISound.idl
+++ b/widget/public/nsISound.idl
@@ -17,13 +17,14 @@
  */
 
 #include "nsISupports.idl"
+#include "nsIFileSpec.idl"
 
 [scriptable, uuid(B148EED1-236D-11d3-B35C-00A0CC3C1CDE)]
 interface nsISound : nsISupports
 {
   void Init();
 
-  void Play(in string filename);
+  void Play(in nsIFileSpec filespec);
   //  void Stop();
 
   void Beep();
diff --git a/widget/src/beos/nsSound.cpp b/widget/src/beos/nsSound.cpp
index 1c6174bdfd37..3611a7008e4e 100644
--- a/widget/src/beos/nsSound.cpp
+++ b/widget/src/beos/nsSound.cpp
@@ -65,7 +65,7 @@ NS_METHOD nsSound::Beep()
   return NS_OK;
 }
 
-NS_METHOD nsSound::Play(const char *filename)
+NS_METHOD nsSound::Play(nsIFileSpec *filespec)
 {
   NS_NOTYETIMPLEMENTED("nsSound::Play");
   return NS_OK;
diff --git a/widget/src/beos/nsSound.h b/widget/src/beos/nsSound.h
index 9c8d2102dc52..adb3005a69e3 100644
--- a/widget/src/beos/nsSound.h
+++ b/widget/src/beos/nsSound.h
@@ -33,7 +33,7 @@ class nsSound : public nsISound {
 
   NS_IMETHOD Init(void);
 
-  NS_IMETHOD Play(const char *filename);
+  NS_IMETHOD Play(nsIFileSpec *filespec);
 
   NS_IMETHOD Beep(void);
 
diff --git a/widget/src/gtk/nsSound.cpp b/widget/src/gtk/nsSound.cpp
index a9dd3ea916b7..ab7d9863e5b5 100644
--- a/widget/src/gtk/nsSound.cpp
+++ b/widget/src/gtk/nsSound.cpp
@@ -102,13 +102,19 @@ NS_METHOD nsSound::Beep()
   return NS_OK;
 }
 
-NS_METHOD nsSound::Play(const char *filename)
+NS_METHOD nsSound::Play(nsIFileSpec *filespec)
 {
   if (lib)
   {
+    char *filename;
+    filespec->GetNativePath(&filename);
+
     g_print("there are some issues with playing sound right now, but this should work\n");
     EsdPlayFileType EsdPlayFile = (EsdPlayFileType) PR_FindSymbol(lib, "esd_play_file");
     (*EsdPlayFile)("mozilla", filename, 1);
+
+    nsCRT::free(filename);
+
     return NS_OK;
   }
   return NS_OK;
diff --git a/widget/src/gtk/nsSound.h b/widget/src/gtk/nsSound.h
index dc8ab9cd6404..e667ae8ff30c 100644
--- a/widget/src/gtk/nsSound.h
+++ b/widget/src/gtk/nsSound.h
@@ -33,7 +33,7 @@ class nsSound : public nsISound {
 
   NS_IMETHOD Init(void);
 
-  NS_IMETHOD Play(const char *filename);
+  NS_IMETHOD Play(nsIFileSpec *filespec);
 
   NS_IMETHOD Beep(void);
 
diff --git a/widget/src/mac/nsSound.cpp b/widget/src/mac/nsSound.cpp
index dd3a7c911caf..5fae67c684e2 100644
--- a/widget/src/mac/nsSound.cpp
+++ b/widget/src/mac/nsSound.cpp
@@ -65,7 +65,7 @@ NS_METHOD nsSound::Beep()
   return NS_OK;
 }
 
-NS_METHOD nsSound::Play(const char *filename)
+NS_METHOD nsSound::Play(nsIFileSpec *filespec)
 {
   NS_NOTYETIMPLEMENTED("nsSound::Play");
   return NS_OK;
diff --git a/widget/src/mac/nsSound.h b/widget/src/mac/nsSound.h
index d81f413a6316..42b9190425f0 100644
--- a/widget/src/mac/nsSound.h
+++ b/widget/src/mac/nsSound.h
@@ -33,7 +33,7 @@ class nsSound : public nsISound {
 
   NS_IMETHOD Init(void);
 
-  NS_IMETHOD Play(const char *filename);
+  NS_IMETHOD Play(nsIFileSpec *filespec);
 
   NS_IMETHOD Beep(void);
 
diff --git a/widget/src/photon/nsSound.cpp b/widget/src/photon/nsSound.cpp
index b319738d2c7f..2a9558b9a8e2 100644
--- a/widget/src/photon/nsSound.cpp
+++ b/widget/src/photon/nsSound.cpp
@@ -68,7 +68,7 @@ NS_METHOD nsSound::Beep()
   return NS_OK;
 }
 
-NS_METHOD nsSound::Play(const char *filename)
+NS_METHOD nsSound::Play(nsIFileSpec *filespec)
 {
   PR_LOG(PhWidLog, PR_LOG_DEBUG, ("nsSound::Play - Not Implemented\n"));
   NS_NOTYETIMPLEMENTED("nsSound::Play");
diff --git a/widget/src/photon/nsSound.h b/widget/src/photon/nsSound.h
index 54261f6640bd..655bf491ba57 100644
--- a/widget/src/photon/nsSound.h
+++ b/widget/src/photon/nsSound.h
@@ -31,7 +31,7 @@ class nsSound : public nsISound {
 
   NS_IMETHOD Init(void);
 
-  NS_IMETHOD Play(const char *filename);
+  NS_IMETHOD Play(nsIFileSpec *filespec);
 
   NS_IMETHOD Beep(void);
 
diff --git a/widget/src/windows/nsSound.cpp b/widget/src/windows/nsSound.cpp
index ccd9842598cd..7aa7dc441c1d 100644
--- a/widget/src/windows/nsSound.cpp
+++ b/widget/src/windows/nsSound.cpp
@@ -65,9 +65,15 @@ NS_METHOD nsSound::Beep()
   return NS_OK;
 }
 
-NS_METHOD nsSound::Play(const char *filename)
+NS_METHOD nsSound::Play(nsIFileSpec *filespec)
 {
+  char *filename;
+  filespec->GetNativePath(&filename);
+
   ::PlaySound(filename, nsnull, SND_FILENAME | SND_NODEFAULT | SND_ASYNC);
+
+  nsCRT::free(filename);
+
   return NS_OK;
 }
 
diff --git a/widget/src/windows/nsSound.h b/widget/src/windows/nsSound.h
index 54261f6640bd..655bf491ba57 100644
--- a/widget/src/windows/nsSound.h
+++ b/widget/src/windows/nsSound.h
@@ -31,7 +31,7 @@ class nsSound : public nsISound {
 
   NS_IMETHOD Init(void);
 
-  NS_IMETHOD Play(const char *filename);
+  NS_IMETHOD Play(nsIFileSpec *filespec);
 
   NS_IMETHOD Beep(void);