diff --git a/panda/src/pandabase/pandasymbols.h b/panda/src/pandabase/pandasymbols.h
index 0940348df1..2ff26cc7ba 100644
--- a/panda/src/pandabase/pandasymbols.h
+++ b/panda/src/pandabase/pandasymbols.h
@@ -95,6 +95,22 @@
   #define EXPTP_SHADER extern
 #endif
 
+#ifdef BUILDING_MILES_AUDIO
+  #define EXPCL_MILES_AUDIO __declspec(dllexport)
+  #define EXPTP_MILES_AUDIO
+#else
+  #define EXPCL_MILES_AUDIO __declspec(dllimport)
+  #define EXPTP_MILES_AUDIO extern
+#endif
+
+#ifdef BUILDING_LINUX_AUDIO
+  #define EXPCL_LINUX_AUDIO __declspec(dllexport)
+  #define EXPTP_LINUX_AUDIO
+#else
+  #define EXPCL_LINUX_AUDIO __declspec(dllimport)
+  #define EXPTP_LINUX_AUDIO extern
+#endif
+
 #else   /* !WIN32_VC */
 
 #define EXPCL_PANDA
@@ -124,6 +140,12 @@
 #define EXPCL_SHADER
 #define EXPTP_SHADER
 
+#define EXPCL_MILES_AUDIO
+#define EXPTP_MILES_AUDIO
+
+#define EXPCL_LINUX_AUDIO
+#define EXPTP_LINUX_AUDIO
+
 #define EXPCL_FRAMEWORK
 #define EXPTP_FRAMEWORK