diff --git a/package_mask.conf b/package_mask.conf
index df6b81e..e6c874b 100644
--- a/package_mask.conf
+++ b/package_mask.conf
@@ -11,3 +11,5 @@
 #>=media-libs/fontconfig-2.12
 #>=media-libs/freetype-2.6.4
 
+# incompatible with signal
+>=dev-lang/node-9