diff --git a/src/include/ieee80211_utils.h b/src/include/ieee80211_utils.h
index 74ceee5..92e9f20 100644
--- a/src/include/ieee80211_utils.h
+++ b/src/include/ieee80211_utils.h
@@ -15,6 +15,6 @@ double iee80211_calculate_bitrate(uint8_t supp_rate_val);
  * @param exp_thr
  * @return
  */
-double iee80211_calculate_expected_throughput_mbit(int exp_thr)
+double iee80211_calculate_expected_throughput_mbit(int exp_thr);
 
 #endif //DAWN_IEEE80211_UTILS_H
diff --git a/src/storage/datastorage.c b/src/storage/datastorage.c
index 908be6a..f5662f0 100644
--- a/src/storage/datastorage.c
+++ b/src/storage/datastorage.c
@@ -6,6 +6,7 @@
 #include "ubus.h"
 #include "dawn_iwinfo.h"
 #include "utils.h"
+#include "ieee80211_utils.h"
 
 #define MAC2STR(a) (a)[0], (a)[1], (a)[2], (a)[3], (a)[4], (a)[5]
 
@@ -419,7 +420,8 @@ void kick_clients(uint8_t bssid[], uint32_t id) {
         // update rssi
         int rssi = get_rssi_iwinfo(client_array[j].client_addr);
         int exp_thr = get_expected_throughput_iwinfo(client_array[j].client_addr);
-        printf("Expectd throughput %f Mbit/sec\n", iee80211_calculate_expected_throughput_mbit(exp_thr));
+        double exp_thr_tmp = iee80211_calculate_expected_throughput_mbit(exp_thr);
+        printf("Expectd throughput %f Mbit/sec\n", exp_thr_tmp);
 
         if (rssi != INT_MIN) {
             pthread_mutex_unlock(&probe_array_mutex);