diff --git a/src/gps/GPS.cpp b/src/gps/GPS.cpp
index 6221b0ff8..8f2ce35d0 100644
--- a/src/gps/GPS.cpp
+++ b/src/gps/GPS.cpp
@@ -28,7 +28,6 @@ GPS *gps;
 /// Multiple GPS instances might use the same serial port (in sequence), but we can
 /// only init that port once.
 static bool didSerialInit;
-uint8_t UBXscratch[250] = {0};
 
 struct uBloxGnssModelInfo info;
 uint8_t uBloxProtocolVersion;
diff --git a/src/gps/GPS.h b/src/gps/GPS.h
index eb5459ff2..f6b4e95c8 100644
--- a/src/gps/GPS.h
+++ b/src/gps/GPS.h
@@ -106,6 +106,9 @@ class GPS : private concurrency::OSThread
     // Create a ublox packet for editing in memory
     uint8_t makeUBXPacket(uint8_t class_id, uint8_t msg_id, uint8_t payload_size, const uint8_t *msg);
 
+    // scratch space for creating ublox packets
+    uint8_t UBXscratch[250] = {0};
+
   protected:
     /// Do gps chipset specific init, return true for success
     virtual bool setupGPS();
@@ -146,9 +149,6 @@ class GPS : private concurrency::OSThread
 
     void setNumSatellites(uint8_t n);
 
-    // scratch space for creating ublox packets
-    uint8_t UBXscratch[250];
-
   private:
     /// Prepare the GPS for the cpu entering deep or light sleep, expect to be gone for at least 100s of msecs
     /// always returns 0 to indicate okay to sleep