diff --git a/data/is-cfg.json b/data/is-cfg.json
index 93808e2..91ad74f 100644
--- a/data/is-cfg.json
+++ b/data/is-cfg.json
@@ -37,7 +37,7 @@
 	},
 	"lora": {
 		"frequency_rx": 433775000,
-		"gain_rx": 6;
+		"gain_rx": 6,
 		"frequency_tx": 433775000,
 		"power": 20,
 		"spreading_factor": 12,