diff --git a/provider/azure/internal/errorutils/errors_test.go b/provider/azure/internal/errorutils/errors_test.go
index f7bd4a8c1a2..16428008de9 100644
--- a/provider/azure/internal/errorutils/errors_test.go
+++ b/provider/azure/internal/errorutils/errors_test.go
@@ -66,7 +66,7 @@ func (s *ErrorSuite) TestAuthRelatedStatusCodes(c *gc.C) {
 	ctx := context.NewEmptyCloudCallContext()
 	called := false
 	ctx.InvalidateCredentialFunc = func(msg string) error {
-		c.Assert(msg, gc.Matches, "azure cloud denied access: .*")
+		c.Assert(msg, gc.Matches, "(?m)azure cloud denied access: .*")
 		called = true
 		return nil
 	}