diff --git a/src/open9x.cpp b/src/open9x.cpp
index 7d9a43fc2..74e311ad5 100644
--- a/src/open9x.cpp
+++ b/src/open9x.cpp
@@ -1185,11 +1185,8 @@ int16_t  trims[NUM_STICKS] = {0};
 int32_t  chans[NUM_CHNOUT] = {0};
 uint32_t inacCounter = 0;
 uint16_t inacSum = 0;
-#if defined(PCBV4)
-uint16_t  bpanaCenter = 0;
-#else
-uint8_t  bpanaCenter = 0;
-#endif
+BeepANACenter bpanaCenter = 0;
+
 int16_t  sDelay[MAX_MIXERS] = {0};
 int32_t  act   [MAX_MIXERS] = {0};
 uint8_t  swOn  [MAX_MIXERS] = {0};