diff --git a/src/Base/UnitsSchemaInternal.cpp b/src/Base/UnitsSchemaInternal.cpp
index 41fd5d9af7..a5f9046fcf 100644
--- a/src/Base/UnitsSchemaInternal.cpp
+++ b/src/Base/UnitsSchemaInternal.cpp
@@ -437,9 +437,7 @@ QString UnitsSchemaInternal::schemaTranslate(const Quantity &quant, double &fact
     }
     else if (unit == Unit::VacuumPermittivity) {
         unitString = QString::fromLatin1("F/m");
-        // FIXME: this should be 1e-9 because unit has L^-3
-        // see also https://github.com/FreeCAD/FreeCAD/commit/9db5dff7#r81159352
-        factor = 1;
+        factor = 1e-9;
     }
     else if (unit == Unit::Frequency) {
         if (UnitValue < 1e3) {
diff --git a/src/Base/UnitsSchemaMKS.cpp b/src/Base/UnitsSchemaMKS.cpp
index 1639ec3b96..8619816ae0 100644
--- a/src/Base/UnitsSchemaMKS.cpp
+++ b/src/Base/UnitsSchemaMKS.cpp
@@ -385,9 +385,7 @@ QString UnitsSchemaMKS::schemaTranslate(const Quantity &quant, double &factor, Q
     }
     else if (unit == Unit::VacuumPermittivity) {
             unitString = QString::fromLatin1("F/m");
-            // FIXME: this should be 1e-9 because unit has L^-3
-            // see also https://github.com/FreeCAD/FreeCAD/commit/9db5dff7#r81159352
-            factor = 1;
+            factor = 1e-9;
     }
     else if (unit == Unit::Work) {
         if (UnitValue < 1.602176634e-10) {