diff --git a/protocol/rtmp/rtmp_test.go b/protocol/rtmp/rtmp_test.go
index e1e79796..f1b44554 100644
--- a/protocol/rtmp/rtmp_test.go
+++ b/protocol/rtmp/rtmp_test.go
@@ -173,6 +173,10 @@ func TestErorHandling(t *testing.T) {
 // TestFromFrame tests streaming from a single H.264 frame which is repeated.
 func TestFromFrame(t *testing.T) {
 	testLog(0, "TestFromFrame")
+	testFrame := os.Getenv("RTMP_TEST_FRAME")
+	if testFrame == "" {
+		t.Skip("Skipping TestFromFrame since no RTMP_TEST_FRAME")
+	}
 	if testKey == "" {
 		t.Skip("Skipping TestFromFrame since no RTMP_TEST_KEY")
 	}
@@ -181,7 +185,6 @@ func TestFromFrame(t *testing.T) {
 		t.Errorf("Dial failed with error: %v", err)
 	}
 
-	testFrame := os.Getenv("RTMP_TEST_FRAME")
 	b, err := ioutil.ReadFile(testFrame)
 	if err != nil {
 		t.Errorf("ReadFile failed with error: %v", err)