diff --git a/hotspot/.hgignore b/hotspot/.hgignore
index fec499bf63f..9818ff1af6e 100644
--- a/hotspot/.hgignore
+++ b/hotspot/.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/