diff --git a/libobs/obs-canvas.c b/libobs/obs-canvas.c
index 232afe2e7a4650..04aed2d4f6416b 100644
--- a/libobs/obs-canvas.c
+++ b/libobs/obs-canvas.c
@@ -43,17 +43,17 @@ static const char *canvas_signals[] = {
 	NULL,
 };
 
-static inline void canvas_dosignal(obs_canvas_t *canvas, const char *signal_obs, const char *signal_source)
+static inline void canvas_dosignal(obs_canvas_t *canvas, const char *signal_obs, const char *signal_canvas)
 {
 	struct calldata data;
 	uint8_t stack[128];
 
 	calldata_init_fixed(&data, stack, sizeof(stack));
 	calldata_set_ptr(&data, "canvas", canvas);
-	if (signal_obs)
+	if (signal_obs && !canvas->context.private)
 		signal_handler_signal(obs->signals, signal_obs, &data);
-	if (signal_source)
-		signal_handler_signal(canvas->context.signals, signal_source, &data);
+	if (signal_canvas)
+		signal_handler_signal(canvas->context.signals, signal_canvas, &data);
 }
 
 static inline void canvas_dosignal_source(const char *signal, obs_canvas_t *canvas, obs_source_t *source)