diff --git a/settings.env.default b/settings.env.default
index b8aa68e..720dfc6 100644
--- a/settings.env.default
+++ b/settings.env.default
@@ -4,7 +4,7 @@ SCRIPT_DIRECTORY="${HOME}/wifi_test"
 KISMET_LOG_DIR="${HOME}/kismet_logs"
 TEST_FILE="${HOME}/${BOOT_ID}-speedtest.csv"
 ENRICHED_FILE="${TEST_FILE%}+rf.csv"
-SSID_METRICS_FILE="${TEST_FILE%}-ssid-metrics.csv"
+SSID_METRICS_FILE="${TEST_FILE%.csv}-ssid-metrics.csv"
 
 NUM_TESTS=1
 NUM_SAMPLES=5