diff --git a/pkg/auth/verify.go b/pkg/auth/verify.go
index 74029417..d30e98f6 100644
--- a/pkg/auth/verify.go
+++ b/pkg/auth/verify.go
@@ -31,11 +31,11 @@ func urlMatches(expected string, received string, isSetup bool) bool {
 		return true
 	}
 
-	// in SETUP requests, VLC uses the base URL of the stream
-	// instead of the URL of the track.
-	// Strip the control attribute to obtain the URL of the stream.
+	// in SETUP requests, some clients do not use the track URL:
+	// - VLC uses the stream base URL (with trailing slash)
+	// - HappyTime NVR uses the stream URL (without trailing slash)
 	if isSetup {
-		if m := reControlAttribute.FindStringSubmatch(expected); m != nil && received == m[1] {
+		if m := reControlAttribute.FindStringSubmatch(expected); m != nil && (received == m[1] || (received+"/") == m[1]) {
 			return true
 		}
 	}
diff --git a/pkg/auth/verify_test.go b/pkg/auth/verify_test.go
index 0326b604..22ba25ef 100644
--- a/pkg/auth/verify_test.go
+++ b/pkg/auth/verify_test.go
@@ -48,6 +48,13 @@ var casesVerify = []struct {
 				"uri=\"rtsp://myhost/mypath?key=val/\", response=\"5ca5ceeca20a05e9a3f49ecde4b42655\"",
 		},
 	},
+	{
+		"digest happytime",
+		base.HeaderValue{
+			`Digest username="myuser", realm="myrealm", nonce="f49ac6dd0ba708d4becddc9692d1f2ce", ` +
+				`uri="rtsp://myhost/mypath?key=val", response="c11a6e92b449f221dabf494a7a837ee3"`,
+		},
+	},
 }
 
 func TestVerify(t *testing.T) {