diff --git a/src/backend/haiku.cxx b/src/backend/haiku.cxx
index 5554025..e29ee76 100644
--- a/src/backend/haiku.cxx
+++ b/src/backend/haiku.cxx
@@ -8,9 +8,9 @@ void MwLLPolygonImpl(MwLL handle, MwPoint* points, int points_count, MwLLColor c
 
 void MwLLLineImpl(MwLL handle, MwPoint* points, MwLLColor color) {}
 
-WDECL void MwLLBeginDrawImpl(MwLL handle) {}
+void MwLLBeginDrawImpl(MwLL handle) {}
 
-WDECL void MwLLEndDrawImpl(MwLL handle) {}
+void MwLLEndDrawImpl(MwLL handle) {}
 
 MwLLColor MwLLAllocColorImpl(MwLL handle, int r, int g, int b) {}
 
@@ -76,5 +76,7 @@ void MwLLSetDarkThemeImpl(MwLL handle, int toggle){}
 
 MwBool MwLLDoModernImpl(MwLL handle){}
 
+int MwLLHaikuCallInitImpl(){}
+
 #include "call.c"
 CALL(Haiku);