diff --git a/src/apps/debugger/Jamfile b/src/apps/debugger/Jamfile
index f64e1fe353..32cd00e265 100644
--- a/src/apps/debugger/Jamfile
+++ b/src/apps/debugger/Jamfile
@@ -3,7 +3,7 @@ SubDir HAIKU_TOP src apps debugger ;
 CCFLAGS +=  -Werror ;
 C++FLAGS += -Werror ;
 
-UsePrivateHeaders debug interface kernel shared libroot ;
+UsePrivateHeaders app debug interface kernel shared libroot ;
 UsePrivateSystemHeaders ;
 
 SEARCH_SOURCE += [ FDirName $(SUBDIR) arch ] ;