diff --git a/arch/portduino/portduino.ini b/arch/portduino/portduino.ini
index cdba520d3..3de602f6a 100644
--- a/arch/portduino/portduino.ini
+++ b/arch/portduino/portduino.ini
@@ -27,4 +27,5 @@ lib_deps =
 build_flags =
   ${arduino_base.build_flags}
   -fPIC
-  -Isrc/platform/portduino
\ No newline at end of file
+  -Isrc/platform/portduino
+  -DRADIOLIB_EEPROM_UNSUPPORTED // Portduino does not implement EEPROM
\ No newline at end of file