diff --git a/.hgignore b/.hgignore
index fec499bf63f47c6635d9b94f1dde34fdba17bc30..9818ff1af6ee97b8cbd4d647604788d70fab9b55 100644
--- a/.hgignore
+++ b/.hgignore
@@ -1,6 +1,6 @@
 ^build/
 ^dist/
-^nbproject/private/
+/nbproject/private/
 ^src/share/tools/hsdis/build/
 ^src/share/tools/IdealGraphVisualizer/[a-zA-Z0-9]*/build/
 ^src/share/tools/IdealGraphVisualizer/build/