diff --git a/openbsc/src/libbsc/system_information.c b/openbsc/src/libbsc/system_information.c
index 0bfaaba..08c4fd1 100644
--- a/openbsc/src/libbsc/system_information.c
+++ b/openbsc/src/libbsc/system_information.c
@@ -634,7 +634,7 @@
 		},
 	},
 	.pwr_ctrl_pars = {
-		.alpha		= 10,	/* a = 1.0 */
+		.alpha		= 0,	/* a = 0.0 */
 		.t_avg_w	= 16,
 		.t_avg_t	= 16,
 		.pc_meas_chan	= 0, 	/* downling measured on CCCH */