diff --git a/glafp-utils/mkdependC/mkdependC.prl b/glafp-utils/mkdependC/mkdependC.prl
index 000b0eb16c36d5b6a8aa463d210972d07bc4c167..6caa34980f774b515a7c28575b41be6bd93ac86a 100644
--- a/glafp-utils/mkdependC/mkdependC.prl
+++ b/glafp-utils/mkdependC/mkdependC.prl
@@ -176,6 +176,7 @@ sub slurp_file { # follows an example in the `open' item in perl man page
 	# don't let a file depend on itself
 	next line if /^\/usr\/include/;
 	next line if /\/gcc-lib\/[^\/\n]+\/[\.0-9]+\/include\//;
+	next line if /\/gnu\/[^-\/]+-[^-\/]+-[^-\/]+\/include\//;
 	next line if /\/yaccpar/;
     	next line if /\/bison\.(simple|hairy)/;
 	next line if /\.lh$/;