diff --git a/src/App/Expression.cpp b/src/App/Expression.cpp
index 6f6fb6cbab..471c074287 100644
--- a/src/App/Expression.cpp
+++ b/src/App/Expression.cpp
@@ -897,16 +897,13 @@ Expression * FunctionExpression::evalAggregate() const
                     throw Exception("Invalid property type for aggregate");
             } while (range.next());
         }
-        else if (args[i]->isDerivedFrom(App::VariableExpression::getClassTypeId())) {
+        else {
             std::unique_ptr<Expression> e(args[i]->eval());
             NumberExpression * n(freecad_dynamic_cast<NumberExpression>(e.get()));
 
             if (n)
                 c->collect(n->getQuantity());
         }
-        else if (args[i]->isDerivedFrom(App::NumberExpression::getClassTypeId())) {
-            c->collect(static_cast<NumberExpression*>(args[i])->getQuantity());
-        }
     }
 
     return new NumberExpression(owner, c->getQuantity());
diff --git a/src/Mod/Spreadsheet/TestSpreadsheet.py b/src/Mod/Spreadsheet/TestSpreadsheet.py
index 56a0acf92e..19ed6be8d4 100644
--- a/src/Mod/Spreadsheet/TestSpreadsheet.py
+++ b/src/Mod/Spreadsheet/TestSpreadsheet.py
@@ -851,6 +851,16 @@ class SpreadsheetCases(unittest.TestCase):
         self.assertEqual(sheet.getContents('B1'), '=A1 == 1 ? 11 : (A1 == 2 ? 12 : 13)')
         self.assertEqual(sheet.getContents('C1'), '=A1 == 1 ? (A1 == 2 ? 12 : 13) : 11')
 
+    def testIssue3432(self):
+        """ Regression test for issue 3432; numbers with units are ignored from aggregates"""
+        sheet = self.doc.addObject('Spreadsheet::Sheet','Spreadsheet')
+        sheet.set('A1', '1mm')
+        sheet.set('B1', '2mm')
+        sheet.set('C1', '=max(A1:B1;3mm)')
+        self.doc.recompute()
+        self.assertEqual(sheet.get('C1'), Units.Quantity('3 mm'))
+
+
     def tearDown(self):
         #closing doc
         FreeCAD.closeDocument(self.doc.Name)