diff --git a/ports/nrf/nrfx_config.h b/ports/nrf/nrfx_config.h
index f1f8595640..505014a2f2 100644
--- a/ports/nrf/nrfx_config.h
+++ b/ports/nrf/nrfx_config.h
@@ -78,6 +78,10 @@
   #define NRFX_UART_ENABLED 1
   #define NRFX_UART0_ENABLED 1
   #define NRFX_UART1_ENABLED 1
+#elif defined(NRF52_SERIES)
+  #define NRFX_UARTE_ENABLED 1
+  #define NRFX_UARTE0_ENABLED 1
+  #define NRFX_UARTE1_ENABLED 1
 #else
   #define NRFX_UARTE_ENABLED 1
   #define NRFX_UARTE0_ENABLED 1