diff --git a/Marlin/src/HAL/HAL.h b/Marlin/src/HAL/HAL.h
index 2e024878f..614c6cbaf 100644
--- a/Marlin/src/HAL/HAL.h
+++ b/Marlin/src/HAL/HAL.h
@@ -27,6 +27,10 @@
 
 #define HAL_ADC_RANGE _BV(HAL_ADC_RESOLUTION)
 
+#ifndef I2C_ADDRESS
+  #define I2C_ADDRESS(A) (A)
+#endif
+
 inline void watchdog_refresh() {
   TERN_(USE_WATCHDOG, HAL_watchdog_refresh());
 }
diff --git a/Marlin/src/HAL/LPC1768/HAL.h b/Marlin/src/HAL/LPC1768/HAL.h
index 70bb50e69..2d385fd16 100644
--- a/Marlin/src/HAL/LPC1768/HAL.h
+++ b/Marlin/src/HAL/LPC1768/HAL.h
@@ -48,6 +48,9 @@ extern "C" volatile uint32_t _millis;
 #include <pinmapping.h>
 #include <CDCSerial.h>
 
+// i2c uses 8-bit shifted address
+#define I2C_ADDRESS(A) ((A) << 1)
+
 //
 // Default graphical display delays
 //
diff --git a/Marlin/src/core/macros.h b/Marlin/src/core/macros.h
index 214539d83..c84d7b811 100644
--- a/Marlin/src/core/macros.h
+++ b/Marlin/src/core/macros.h
@@ -292,7 +292,7 @@
 #define FMOD(x, y)  fmodf(x, y)
 #define HYPOT(x,y)  SQRT(HYPOT2(x,y))
 
-#define I2C_ADDRESS(A) int(TERN(TARGET_LPC1768, (A) << 1, A))
+#define I2C_ADDRESS(A) (typeof(A))(TERN(TARGET_LPC1768, (A) << 1, A))
 
 // Use NUM_ARGS(__VA_ARGS__) to get the number of variadic arguments
 #define _NUM_ARGS(_,Z,Y,X,W,V,U,T,S,R,Q,P,O,N,M,L,K,J,I,H,G,F,E,D,C,B,A,OUT,...) OUT
diff --git a/Marlin/src/lcd/menu/menu_info.cpp b/Marlin/src/lcd/menu/menu_info.cpp
index 2f6ab974f..41baa5d2e 100644
--- a/Marlin/src/lcd/menu/menu_info.cpp
+++ b/Marlin/src/lcd/menu/menu_info.cpp
@@ -34,8 +34,8 @@
   #include "game/game.h"
 #endif
 
-#define VALUE_ITEM(MSG, VALUE, STYL)    do{ strcpy_P(buffer, PSTR(": ")); strcpy(buffer + 2, VALUE); STATIC_ITEM(MSG, STYL, buffer); }while(0)
-#define VALUE_ITEM_P(MSG, PVALUE, STYL) do{ strcpy_P(buffer, PSTR(": ")); strcpy_P(buffer + 2, PSTR(PVALUE)); STATIC_ITEM(MSG, STYL, buffer); }while(0)
+#define VALUE_ITEM(MSG, VALUE, STYL)    do{ char buffer[21]; strcpy_P(buffer, PSTR(": ")); strcpy(buffer + 2, VALUE); STATIC_ITEM(MSG, STYL, buffer); }while(0)
+#define VALUE_ITEM_P(MSG, PVALUE, STYL) do{ char buffer[21]; strcpy_P(buffer, PSTR(": ")); strcpy_P(buffer + 2, PSTR(PVALUE)); STATIC_ITEM(MSG, STYL, buffer); }while(0)
 
 #if ENABLED(PRINTCOUNTER)
 
@@ -51,8 +51,6 @@
 
     printStatistics stats = print_job_timer.getStats();
 
-    char buffer[21];
-
     START_SCREEN();                                                                         // 12345678901234567890
     VALUE_ITEM(MSG_INFO_PRINT_COUNT, i16tostr3left(stats.totalPrints), SS_LEFT);            // Print Count: 999
     VALUE_ITEM(MSG_INFO_COMPLETED_PRINTS, i16tostr3left(stats.finishedPrints), SS_LEFT);    // Completed  : 666
@@ -100,8 +98,6 @@
 void menu_info_thermistors() {
   if (ui.use_click()) return ui.go_back();
 
-  char buffer[21];  // For macro usage
-
   START_SCREEN();
 
   #if EXTRUDERS
@@ -208,8 +204,6 @@ void menu_info_thermistors() {
 void menu_info_board() {
   if (ui.use_click()) return ui.go_back();
 
-  char buffer[21];  // For macro usage
-
   START_SCREEN();
   STATIC_ITEM_P(PSTR(BOARD_INFO_NAME), SS_CENTER|SS_INVERT);       // MyPrinterController
   #ifdef BOARD_WEBSITE_URL
@@ -248,7 +242,6 @@ void menu_info_board() {
     STATIC_ITEM_P(PSTR(STRING_DISTRIBUTION_DATE));              // YYYY-MM-DD HH:MM
     STATIC_ITEM_P(PSTR(MACHINE_NAME));                          // My3DPrinter
     STATIC_ITEM_P(PSTR(WEBSITE_URL));                           // www.my3dprinter.com
-    char buffer[21];
     VALUE_ITEM_P(MSG_INFO_EXTRUDERS, STRINGIFY(EXTRUDERS), SS_CENTER); // Extruders: 2
     #if ENABLED(AUTO_BED_LEVELING_3POINT)
       STATIC_ITEM(MSG_3POINT_LEVELING);                         // 3-Point Leveling