diff --git a/afsk/main.c b/afsk/main.c
index 54567601..2c6c4c6e 100644
--- a/afsk/main.c
+++ b/afsk/main.c
@@ -492,7 +492,7 @@ printf("batt: %f speed: %f eclipse_time: %f eclipse: %d period: %f temp: %f max:
 	fprintf(stderr, " See http://cubesatsim.org/wiki for info about building a CubeSatSim\n\n");
    }
 
-memset(voltage_min), 0, sizeof(voltage_min));
+memset(voltage_min, 0, sizeof(voltage_min));
 memset(current_min, 0, sizeof(current_min));	
 memset(voltage_max, 0, sizeof(voltage_max));
 memset(current_max, 0, sizeof(current_max));	
@@ -1234,14 +1234,14 @@ if (sim_mode)
 	  
     for (count1 = 0; count1 < 8; count1++)
     {
-	if (voltage[count1] < voltage_min[count1]
+	if (voltage[count1] < voltage_min[count1])
 	    voltage_min[count1] = voltage[count];
-	if (current[count1] < current_min[count1]
+	if (current[count1] < current_min[count1])
 	    voltage_min[count1] = current[count];
 
-	if (voltage[count1] > voltage_max[count1]
+	if (voltage[count1] > voltage_max[count1])
 	    voltage_max[count1] = voltage[count];
-	if (current[count1] > current_max[count1]
+	if (current[count1] > current_max[count1])
 	    voltage_max[count1] = current[count];
 
 	 printf("Vmin %f Vmax %f Imin %f Imax %f \n", voltage_min[count1], voltage_max[count1], current_min[count1], current_max[count1]);