diff --git a/DMRSlotRX.h b/DMRSlotRX.h
index e57e4f3..f75fae7 100644
--- a/DMRSlotRX.h
+++ b/DMRSlotRX.h
@@ -62,7 +62,7 @@ private:
   DMRRX_STATE m_state;
   uint8_t     m_n;
   uint8_t     m_type;
-  uint16_t    m_rssi[900U];
+  uint16_t    m_rssi[1900U];
 
   void correlateSync(bool first);
   void samplesToBits(uint16_t start, uint8_t count, uint8_t* buffer, uint16_t offset, q15_t centre, q15_t threshold);