diff --git a/extras/conf_test/avr.cpp b/extras/conf_test/avr.cpp
index fda94464..b2b105e3 100644
--- a/extras/conf_test/avr.cpp
+++ b/extras/conf_test/avr.cpp
@@ -1,5 +1,7 @@
 #include <ArduinoJson.h>
 
+static_assert(ARDUINOJSON_ENABLE_PROGMEM == 1, "ARDUINOJSON_ENABLE_PROGMEM");
+
 static_assert(ARDUINOJSON_USE_LONG_LONG == 0, "ARDUINOJSON_USE_LONG_LONG");
 
 static_assert(ARDUINOJSON_SLOT_OFFSET_SIZE == 1,
diff --git a/src/ArduinoJson/Configuration.hpp b/src/ArduinoJson/Configuration.hpp
index 56b23f8d..9d3485bc 100644
--- a/src/ArduinoJson/Configuration.hpp
+++ b/src/ArduinoJson/Configuration.hpp
@@ -130,9 +130,13 @@
 #    define ARDUINOJSON_ENABLE_ARDUINO_PRINT 0
 #  endif
 
-// Disable support for PROGMEM
+// Enable PROGMEM support on AVR only
 #  ifndef ARDUINOJSON_ENABLE_PROGMEM
-#    define ARDUINOJSON_ENABLE_PROGMEM 0
+#    ifdef __AVR__
+#      define ARDUINOJSON_ENABLE_PROGMEM 1
+#    else
+#      define ARDUINOJSON_ENABLE_PROGMEM 0
+#    endif
 #  endif
 
 #endif  // ARDUINO