diff --git a/si5351_driver.c b/si5351_driver.c
index bde4b93..7470642 100644
--- a/si5351_driver.c
+++ b/si5351_driver.c
@@ -87,7 +87,7 @@ int cm_setPLLParameters(si5351_driver *inst,si5351_PLLs sel_pll, uint32_t a, uin
 		break;
 
 	}
-
+	return 0;
 }
 
 int cm_setInputSource(si5351_driver *inst, si5351_ClkSource clk_source){