diff --git a/src/system.c b/src/system.c
index 7ccad64..b486aeb 100644
--- a/src/system.c
+++ b/src/system.c
@@ -1005,7 +1005,12 @@ _power_state_get(power_t *power)
           free(power->battery_names[i]);
         if (power->bat_mibs[i])
           free(power->bat_mibs[i]);
+        if (power->batteries[i])
+          free(power->batteries[i]);
      }
+
+   if (power->batteries)
+     free(power->batteries);
 }
 
 #if defined(__MacOS__) || defined(__FreeBSD__) || defined(__DragonFly__)