diff --git a/Marlin/configuration_store.cpp b/Marlin/configuration_store.cpp
index 35ca38f015..9f39d12517 100644
--- a/Marlin/configuration_store.cpp
+++ b/Marlin/configuration_store.cpp
@@ -587,6 +587,13 @@ void MarlinSettings::postprocess() {
         EEPROM_WRITE(dummy);
       }
 
+    #else
+
+      const bool volumetric_enabled = false;
+      dummy = DEFAULT_NOMINAL_FILAMENT_DIA;
+      EEPROM_WRITE(volumetric_enabled);
+      for (uint8_t q = MAX_EXTRUDERS; q--;) EEPROM_WRITE(dummy);
+
     #endif
 
     //
@@ -1088,6 +1095,11 @@ void MarlinSettings::postprocess() {
           if (q < COUNT(planner.filament_size)) planner.filament_size[q] = dummy;
         }
 
+      #else
+
+        EEPROM_READ(dummyb);
+        for (uint8_t q=MAX_EXTRUDERS; q--;) EEPROM_READ(dummy);
+
       #endif
 
       //