diff --git a/Config.h b/Config.h
index 1bec50a..2f572a8 100644
--- a/Config.h
+++ b/Config.h
@@ -4,7 +4,7 @@
 	#define CONFIG_H
 
 	#define MAJ_VERS  0x01
-	#define MIN_VERS  0x06
+	#define MIN_VERS  0x07
 
 	#define MCU_328P  0x90
 	#define MCU_1284P 0x91
diff --git a/RNode_Firmware.ino b/RNode_Firmware.ino
index 714b445..d9de441 100644
--- a/RNode_Firmware.ino
+++ b/RNode_Firmware.ino
@@ -414,7 +414,7 @@ void serialCallback(uint8_t sbyte) {
         kiss_indicate_spreadingfactor();
       } else {
         int sf = sbyte;
-        if (sf < 7) sf = 7;
+        if (sf < 6) sf = 6;
         if (sf > 12) sf = 12;
 
         lora_sf = sf;