diff --git a/test_suite/error.import_folder.jsonnet.golden_regex b/test_suite/error.import_folder.jsonnet.golden_regex
index bc468fb..c472b23 100644
--- a/test_suite/error.import_folder.jsonnet.golden_regex
+++ b/test_suite/error.import_folder.jsonnet.golden_regex
@@ -1,2 +1,2 @@
-(STATIC ERROR: lib:1:1: unexpected end of file.|RUNTIME ERROR: couldn't open import "lib": basic_filebuf::underflow error reading the file(: iostream error)?
+(STATIC ERROR: lib:1:1: unexpected end of file.|RUNTIME ERROR: couldn't open import "lib": basic_filebuf::underflow error reading the file(: iostream error|: Is a directory)?
 	error.import_folder.jsonnet:17:1-13	)