diff --git a/axon/basic_test.go b/axon/basic_test.go
index b0377cb2..62e00610 100644
--- a/axon/basic_test.go
+++ b/axon/basic_test.go
@@ -411,9 +411,9 @@ func TestNetActShort(t *testing.T) {
 }
 
 func TestGPUAct(t *testing.T) {
-	//	if os.Getenv("TEST_GPU") != "true" {
-	//		t.Skip("Set TEST_GPU env var to run GPU tests")
-	//	}
+	if os.Getenv("TEST_GPU") != "true" {
+		t.Skip("Set TEST_GPU env var to run GPU tests")
+	}
 	NetActTestShort(t, Tol6, true)
 	// NetActTest(t, Tol6, true, true)
 }