diff --git a/libretro-common/include/streams/interface_stream.h b/libretro-common/include/streams/interface_stream.h
index dc9a55981e..2fc6ca0b6f 100644
--- a/libretro-common/include/streams/interface_stream.h
+++ b/libretro-common/include/streams/interface_stream.h
@@ -72,6 +72,8 @@ int intfstream_seek(intfstream_internal_t *intf,
 
 void intfstream_rewind(intfstream_internal_t *intf);
 
+size_t intfstream_tell(intfstream_internal_t *intf);
+
 int intfstream_close(intfstream_internal_t *intf);
 
 #endif
diff --git a/libretro-common/streams/interface_stream.c b/libretro-common/streams/interface_stream.c
index 5bdc397de7..e4235724ae 100644
--- a/libretro-common/streams/interface_stream.c
+++ b/libretro-common/streams/interface_stream.c
@@ -222,6 +222,22 @@ int intfstream_getc(intfstream_internal_t *intf)
    return 0;
 }
 
+size_t intfstream_tell(intfstream_internal_t *intf)
+{
+   if (!intf)
+      return -1;
+
+   switch (intf->type)
+   {
+      case INTFSTREAM_FILE:
+         return filestream_tell(intf->file.fp);
+      case INTFSTREAM_MEMORY:
+         return memstream_pos(intf->memory.fp);
+   }
+
+   return -1;
+}
+
 void intfstream_rewind(intfstream_internal_t *intf)
 {
    switch (intf->type)