diff --git a/src/ArduinoJson/Polyfills/preprocessor.hpp b/src/ArduinoJson/Polyfills/preprocessor.hpp
index 6998f697..36e5c44a 100644
--- a/src/ArduinoJson/Polyfills/preprocessor.hpp
+++ b/src/ArduinoJson/Polyfills/preprocessor.hpp
@@ -15,7 +15,7 @@
 #define ARDUINOJSON_BIN2ALPHA_0011() D
 #define ARDUINOJSON_BIN2ALPHA_0100() E
 #define ARDUINOJSON_BIN2ALPHA_0101() F
-#define ARDUINOJSON_BIN2ALPHA_0110() F
+#define ARDUINOJSON_BIN2ALPHA_0110() G
 #define ARDUINOJSON_BIN2ALPHA_0111() H
 #define ARDUINOJSON_BIN2ALPHA_1000() I
 #define ARDUINOJSON_BIN2ALPHA_1001() J