diff --git a/src/Mod/TechDraw/App/DrawViewDimension.cpp b/src/Mod/TechDraw/App/DrawViewDimension.cpp
index d0f25e58ee..d31448d259 100644
--- a/src/Mod/TechDraw/App/DrawViewDimension.cpp
+++ b/src/Mod/TechDraw/App/DrawViewDimension.cpp
@@ -957,6 +957,9 @@ std::string DrawViewDimension::getFormattedDimensionValue(int partial)
 
         return result.toStdString();
     }
+    if (Arbitrary.getValue()) {
+        return FormatSpec.getStrValue();
+    }
 
     return formatValue(getDimValue(), qFormatSpec, partial);
 }