Index: firmware/App/Services/CommBuffers.c
===================================================================
diff -u -r1bbf9da32e622975efed00b1a7589387a9829440 -ref0b3f0ec00fadc50f95e0db1a6477fb4b076ea1
--- firmware/App/Services/CommBuffers.c	(.../CommBuffers.c)	(revision 1bbf9da32e622975efed00b1a7589387a9829440)
+++ firmware/App/Services/CommBuffers.c	(.../CommBuffers.c)	(revision ef0b3f0ec00fadc50f95e0db1a6477fb4b076ea1)
@@ -105,14 +105,14 @@
         {
             U08 *buffPtr;  // buffer destination for added data
 
-            // adjust buffer count per this data add (also reserves space to add data before releasing thread protection)
-            commBufferByteCount[ buffer ][ activeBuffer ] += len;
-            // release thread protection
-            _enable_IRQ();
             // set destination pointer to end of active buffer data
             buffPtr = &commBuffers[ buffer ][ activeBuffer ][ currentActiveBufCount ];
             // copy source data to destination buffer
             memcpy( buffPtr, data, len );
+            // adjust buffer count per this data add (also reserves space to add data before releasing thread protection)
+            commBufferByteCount[ buffer ][ activeBuffer ] += len;
+            // release thread protection
+            _enable_IRQ();
             // data successfully added to buffer
             result = TRUE;
         }