diff --git a/bts/BTS_Tests.ttcn b/bts/BTS_Tests.ttcn
index b098fc6..f98419d 100644
--- a/bts/BTS_Tests.ttcn
+++ b/bts/BTS_Tests.ttcn
@@ -1697,7 +1697,7 @@
 	boolean toa256_enabled,
 	MeasElemFS meas_ul,
 	int16_t timing_offset_256syms,
-	uint5_t bs_power_level,
+	uint4_t bs_power_level,
 	uint5_t ms_power_level,
 	uint8_t ms_actual_ta
 }
@@ -2129,7 +2129,7 @@
 		f_trxc_fake_toffs256(g_pars.l1_pars.timing_offset_256syms);
 	}
 
-	var uint5_t pwr_var := 1;
+	var uint4_t pwr_var := 1;
 	var template (value) RSL_IE_BS_Power bs_power := ts_RSL_IE_BS_Power(pwr_var);
 	var template (value) RSL_IE pwr := t_RSL_IE(RSL_IE_BS_POWER, RSL_IE_Body:{bs_power := bs_power});
 
@@ -2152,7 +2152,7 @@
 		f_trxc_fake_toffs256(g_pars.l1_pars.timing_offset_256syms);
 	}
 
-	var uint5_t pwr_var := 1;
+	var uint4_t pwr_var := 1;
 	var template (value) RSL_IE_BS_Power bs_power := ts_RSL_IE_BS_Power(pwr_var);
 
 	f_est_dchan();