diff --git a/runtest.sh b/runtest.sh
index 08171c6..e58d2c9 100755
--- a/runtest.sh
+++ b/runtest.sh
@@ -156,7 +156,7 @@ DUMMY_SPEEDTEST=$(speedtest --format=csv --output-header)
 SPEEDTEST_HEADER=$(echo "$DUMMY_SPEEDTEST" | head -n 1)
 
 # CSV setup
-TEST_HEADER="StartTimestamp,EndTimestamp,Link,Level,Noise,BSSID,TX Bitrate,RX Bitrate,$(SPEEDTEST_HEADER),TX Failures,Channel,Frequency,Packet Loss,Jitter,LocalTCPUp,LocalTCPDown,LocalUDPUp,LocalUDPDown,RemoteTCPUp,RemoteTCPDown,RemoteUDPUp,RemoteUDPDown"
+TEST_HEADER="StartTimestamp,EndTimestamp,Link,Level,Noise,BSSID,TX Bitrate,RX Bitrate,${SPEEDTEST_HEADER},TX Failures,Channel,Frequency,Packet Loss,Jitter,LocalTCPUp,LocalTCPDown,LocalUDPUp,LocalUDPDown,RemoteTCPUp,RemoteTCPDown,RemoteUDPUp,RemoteUDPDown"
 LISTENER_HEADER="Timestamp,ClientsOnAP,ClientsOnChannel,APsOnChannel,AvgAPSignal,StrongestAPSignal,UnlinkedDevices,NumberofBSSIDsOnSSID,AvgSSIDSignal,MaxSSIDSignal,NumberofChannelsOnSSID,PacketCount,Deadpoints"
 echo "Speedtest,LocalTCPUp,LocalTCPDown,LocalUDPUp,LocalUDPDown,RemoteTCPUp,RemoteTCPDown,RemoteUDPUp,RemoteUDPDown" >"${TEST_FILE}_durations.csv"