diff --git a/colorm_test.go b/colorm_test.go
index 32fc46836..a0ae31d8a 100644
--- a/colorm_test.go
+++ b/colorm_test.go
@@ -15,7 +15,7 @@
 package ebiten_test
 
 import (
-	. "."
+	. "github.com/hajimehoshi/ebiten"
 	"testing"
 )
 
diff --git a/geom_test.go b/geom_test.go
index 3ecd80579..ad2b877c3 100644
--- a/geom_test.go
+++ b/geom_test.go
@@ -15,7 +15,7 @@
 package ebiten_test
 
 import (
-	. "."
+	. "github.com/hajimehoshi/ebiten"
 	"testing"
 )
 
diff --git a/image_test.go b/image_test.go
index 250e75d79..c9bcba860 100644
--- a/image_test.go
+++ b/image_test.go
@@ -15,7 +15,7 @@
 package ebiten_test
 
 import (
-	. "."
+	. "github.com/hajimehoshi/ebiten"
 	"image"
 	"image/color"
 	_ "image/png"
diff --git a/internal/math_test.go b/internal/math_test.go
index 45bd51277..c2352eb96 100644
--- a/internal/math_test.go
+++ b/internal/math_test.go
@@ -15,7 +15,7 @@
 package internal_test
 
 import (
-	. "."
+	. "github.com/hajimehoshi/ebiten/internal"
 	"testing"
 )