diff --git a/internal/code/imports.go b/internal/code/imports.go
index 75c30fe1ed5..5e5d73a341d 100644
--- a/internal/code/imports.go
+++ b/internal/code/imports.go
@@ -62,21 +62,22 @@ func ImportPathForDir(dir string) (res string) {
 	modDir := dir
 	assumedPart := ""
 	for {
-		f, err := ioutil.ReadFile(filepath.Join(modDir, "/", "go.mod"))
+		f, err := ioutil.ReadFile(filepath.Join(modDir, "go.mod"))
 		if err == nil {
 			// found it, stop searching
 			return string(modregex.FindSubmatch(f)[1]) + assumedPart
 		}
 
 		assumedPart = "/" + filepath.Base(modDir) + assumedPart
-		modDir, err = filepath.Abs(filepath.Join(modDir, ".."))
+		parentDir, err := filepath.Abs(filepath.Join(modDir, ".."))
 		if err != nil {
 			panic(err)
 		}
 
-		// Walked all the way to the root and didnt find anything :'(
-		if modDir == "/" {
+		if parentDir == modDir {
 			break
+		} else {
+			modDir = parentDir
 		}
 	}
 
diff --git a/internal/code/imports_test.go b/internal/code/imports_test.go
index 5e8a0a214b8..e3bc9474f99 100644
--- a/internal/code/imports_test.go
+++ b/internal/code/imports_test.go
@@ -3,6 +3,7 @@ package code
 import (
 	"os"
 	"path/filepath"
+	"runtime"
 	"testing"
 
 	"github.com/stretchr/testify/assert"
@@ -21,6 +22,12 @@ func TestImportPathForDir(t *testing.T) {
 
 	// directory does not exist
 	assert.Equal(t, "github.com/99designs/gqlgen/dos", ImportPathForDir(filepath.Join(wd, "..", "..", "dos")))
+
+	if runtime.GOOS == "windows" {
+		assert.Equal(t, "", ImportPathForDir("C:/doesnotexist"))
+	} else {
+		assert.Equal(t, "", ImportPathForDir("/doesnotexist"))
+	}
 }
 
 func TestNameForPackage(t *testing.T) {