diff --git a/src/lang/esperanto.txt b/src/lang/esperanto.txt
--- a/src/lang/esperanto.txt
+++ b/src/lang/esperanto.txt
@@ -250,8 +250,8 @@ STR_OSK_KEYBOARD_LAYOUT_CAPS            
 # Measurement tooltip
 STR_MEASURE_LENGTH                                              :{BLACK}Longo: {NUM}
 STR_MEASURE_AREA                                                :{BLACK}Regiono: {NUM} x {NUM}
-STR_MEASURE_LENGTH_HEIGHTDIFF                                   :{BLACK}Longo: {NUM}{}Altecdiferenco: {NUM} m
-STR_MEASURE_AREA_HEIGHTDIFF                                     :{BLACK}Regiono: {NUM} x {NUM}{}Altecdiferenco: {NUM} m
+STR_MEASURE_LENGTH_HEIGHTDIFF                                   :{BLACK}Longo: {NUM}{}Altecdiferenco: {HEIGHT}
+STR_MEASURE_AREA_HEIGHTDIFF                                     :{BLACK}Regiono: {NUM} x {NUM}{}Altecdiferenco: {HEIGHT}
 
 
 # These are used in buttons