diff --git a/bootstrap b/bootstrap
index 13a95c877..801882d7a 100755
--- a/bootstrap
+++ b/bootstrap
@@ -239,6 +239,11 @@ CMAKE_CXX_SOURCES="\
   cmExprLexer \
   cmExprParser \
   cmExprParserHelper \
+  cmGlobalNinjaGenerator \
+  cmLocalNinjaGenerator \
+  cmNinjaTargetGenerator \
+  cmNinjaNormalTargetGenerator \
+  cmNinjaUtilityTargetGenerator \
 "
 
 if ${cmake_system_mingw}; then