diff --git a/coreapi/private.h b/coreapi/private.h
index 9c3b07f8f..92e9999d3 100644
--- a/coreapi/private.h
+++ b/coreapi/private.h
@@ -1430,7 +1430,7 @@ typedef struct _VTableReference  VTableReference;
 
 void v_table_reference_destroy(VTableReference *ref);
 
-void _linphone_core_add_listener(LinphoneCore *lc, LinphoneCoreVTable *vtable, bool_t autorelease, bool_t internal);
+LINPHONE_PUBLIC void _linphone_core_add_listener(LinphoneCore *lc, LinphoneCoreVTable *vtable, bool_t autorelease, bool_t internal);
 
 #ifdef VIDEO_ENABLED
 LINPHONE_PUBLIC MSWebCam *linphone_call_get_video_device(const LinphoneCall *call);