Ensure assignment operators return by reference to avoid unnecessary copies.

2 files changed, 2 insertions, 2 deletions

diff --git a/core/math/audio_frame.h b/core/math/audio_frame.h
index 91f533eafb..43d4a63cd3 100644
--- a/core/math/audio_frame.h
+++ b/core/math/audio_frame.h
@@ -121,7 +121,7 @@ struct AudioFrame {
 		r = p_frame.r;
 	}
 
-	_ALWAYS_INLINE_ AudioFrame operator=(const AudioFrame &p_frame) {
+	_ALWAYS_INLINE_ AudioFrame &operator=(const AudioFrame &p_frame) {
 		l = p_frame.l;
 		r = p_frame.r;
 		return *this;
diff --git a/core/math/quat.h b/core/math/quat.h
index 64d0f00912..8619ea3c5c 100644
--- a/core/math/quat.h
+++ b/core/math/quat.h
@@ -130,7 +130,7 @@ public:
 			w(q.w) {
 	}
 
-	Quat operator=(const Quat &q) {
+	Quat &operator=(const Quat &q) {
 		x = q.x;
 		y = q.y;
 		z = q.z;