diff --git a/.travis.gogenerate.sh b/.travis.gogenerate.sh
index 5e7ae08..3fc73fe 100755
--- a/.travis.gogenerate.sh
+++ b/.travis.gogenerate.sh
@@ -4,6 +4,7 @@
 # automatically or via the GO111MODULE=on environment variable. Codegen only
 # works with modules, so skip generation if modules is not in use.
 if [[ -z "$(go env GOMOD)" ]]; then
+  echo "Skipping go generate because modules not enabled and required"
   exit 0
 fi
 
diff --git a/_codegen/go.mod b/_codegen/go.mod
index e810351..31a7e99 100644
--- a/_codegen/go.mod
+++ b/_codegen/go.mod
@@ -1,5 +1,5 @@
 module github.com/stretchr/testify/_codegen
 
-go 1.13
+go 1.11
 
 require github.com/ernesto-jimenez/gogen v0.0.0-20180125220232-d7d4131e6607
diff --git a/_codegen/main.go b/_codegen/main.go
index ad0bf25..1daa02d 100644
--- a/_codegen/main.go
+++ b/_codegen/main.go
@@ -194,7 +194,7 @@ func parsePackageSource(pkg string) (*types.Scope, *doc.Package, error) {
 	}
 
 	cfg := types.Config{
-		Importer: importer.ForCompiler(fset, "source", nil),
+		Importer: importer.For("source", nil),
 	}
 	info := types.Info{
 		Defs: make(map[*ast.Ident]types.Object),