diff --git a/config.h.in b/config.h.in
--- a/config.h.in
+++ b/config.h.in
@@ -1,6 +1,8 @@
 /* API declaration export attribute */
+#ifndef AL_LIBTYPE_STATIC
 #define AL_API  ${EXPORT_DECL}
 #define ALC_API ${EXPORT_DECL}
+#endif

 /* Define if HRTF data is embedded in the library */
 #cmakedefine ALSOFT_EMBED_HRTF_DATA