diff --git a/src/Mod/Fem/ShowDisplacement.ui b/src/Mod/Fem/ShowDisplacement.ui
index 3226713e0634..02aa5adf4b55 100644
--- a/src/Mod/Fem/ShowDisplacement.ui
+++ b/src/Mod/Fem/ShowDisplacement.ui
@@ -46,7 +46,7 @@
              <bool>true</bool>
             </property>
             <property name="unit" stdset="0">
-             <string>mm</string>
+             <string notr="true">mm</string>
             </property>
            </widget>
           </item>
@@ -63,7 +63,7 @@
              <bool>true</bool>
             </property>
             <property name="unit" stdset="0">
-             <string>mm</string>
+             <string notr="true">mm</string>
             </property>
            </widget>
           </item>
@@ -80,7 +80,7 @@
              <bool>true</bool>
             </property>
             <property name="unit" stdset="0">
-             <string>mm</string>
+             <string notr="true">mm</string>
             </property>
            </widget>
           </item>