diff --git a/firmware/common/max2839.c b/firmware/common/max2839.c
index a8c69f8c..868855d4 100644
--- a/firmware/common/max2839.c
+++ b/firmware/common/max2839.c
@@ -1,5 +1,6 @@
 /*
- * Copyright 2012 Will Code? (TODO: Proper attribution)
+ * Copyright 2012-2022 Great Scott Gadgets <info@greatscottgadgets.com>
+ * Copyright 2012 Will Code <willcode4@gmail.com>
  * Copyright 2014 Jared Boone <jared@sharebrained.com>
  *
  * This file is part of HackRF.
diff --git a/firmware/common/max2839.h b/firmware/common/max2839.h
index 9be7d090..fbffa5b1 100644
--- a/firmware/common/max2839.h
+++ b/firmware/common/max2839.h
@@ -1,5 +1,6 @@
 /*
- * Copyright 2012 Will Code? (TODO: Proper attribution)
+ * Copyright 2012-2022 Great Scott Gadgets <info@greatscottgadgets.com>
+ * Copyright 2012 Will Code <willcode4@gmail.com>
  * Copyright 2014 Jared Boone <jared@sharebrained.com>
  *
  * This file is part of HackRF.
diff --git a/firmware/common/si5351c.c b/firmware/common/si5351c.c
index 84cfeea7..af858875 100644
--- a/firmware/common/si5351c.c
+++ b/firmware/common/si5351c.c
@@ -208,6 +208,7 @@ void si5351c_configure_clock_control(
 			 * HackRF One r9 always uses PLL A on the XTAL input
 			 * but externally switches that input to CLKIN.
 			 */
+			pll = SI5351C_CLK_PLL_SRC_A;
 			gpio_set(&gpio_h1r9_clkin_en);
 		}
 	} else {