diff --git a/.travis.yml b/.travis.yml
index b083106d8..6a651295a 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -4,7 +4,7 @@
 
 language: go
 go_import_path: github.com/ethereum/go-ethereum
-go: 1.11.12
+go: 1.11.x
 sudo: true
 branches:
   only:
diff --git a/p2p/discv5/node_test.go b/p2p/discv5/node_test.go
index ce4ad9e4d..c231345db 100644
--- a/p2p/discv5/node_test.go
+++ b/p2p/discv5/node_test.go
@@ -152,7 +152,7 @@ func TestParseNode(t *testing.T) {
 			if err == nil {
 				t.Errorf("test %q:\n  got nil error, expected %#q", test.rawurl, test.wantError)
 				continue
-			} else if err.Error() != test.wantError {
+			} else if !strings.Contains(err.Error(), test.wantError) {
 				t.Errorf("test %q:\n  got error %#q, expected %#q", test.rawurl, err.Error(), test.wantError)
 				continue
 			}
diff --git a/p2p/enode/urlv4_test.go b/p2p/enode/urlv4_test.go
index f6b9278c1..b546c4cdf 100644
--- a/p2p/enode/urlv4_test.go
+++ b/p2p/enode/urlv4_test.go
@@ -139,7 +139,7 @@ func TestParseNode(t *testing.T) {
 			if err == nil {
 				t.Errorf("test %q:\n  got nil error, expected %#q", test.rawurl, test.wantError)
 				continue
-			} else if err.Error() != test.wantError {
+			} else if !strings.Contains(err.Error(), test.wantError) {
 				t.Errorf("test %q:\n  got error %#q, expected %#q", test.rawurl, err.Error(), test.wantError)
 				continue
 			}