diff --git a/hugolib/pageSort.go b/hugolib/pageSort.go
index c7766e2a6..454beb473 100644
--- a/hugolib/pageSort.go
+++ b/hugolib/pageSort.go
@@ -291,7 +291,6 @@ func (p Pages) Reverse() Pages {
 // Adjacent invocations on the same receiver with the same paramsKey will return a cached result.
 //
 // This may safely be executed  in parallel.
-
 func (p Pages) ByParam(paramsKey interface{}) Pages {
 	paramsKeyStr := cast.ToString(paramsKey)
 	key := "pageSort.ByParam." + paramsKeyStr
@@ -299,16 +298,31 @@ func (p Pages) ByParam(paramsKey interface{}) Pages {
 	paramsKeyComparator := func(p1, p2 *Page) bool {
 		v1, _ := p1.Param(paramsKeyStr)
 		v2, _ := p2.Param(paramsKeyStr)
-		s1 := cast.ToString(v1)
-		s2 := cast.ToString(v2)
 
-		// Sort nils last.
-		if s1 == "" {
+		if v1 == nil {
 			return false
-		} else if s2 == "" {
+		}
+
+		if v2 == nil {
 			return true
 		}
 
+		isNumeric := func(v interface{}) bool {
+			switch v.(type) {
+			case uint8, uint16, uint32, uint64, int, int8, int16, int32, int64, float32, float64:
+				return true
+			default:
+				return false
+			}
+		}
+
+		if isNumeric(v1) && isNumeric(v2) {
+			return cast.ToFloat64(v1) < cast.ToFloat64(v2)
+		}
+
+		s1 := cast.ToString(v1)
+		s2 := cast.ToString(v2)
+
 		return s1 < s2
 	}
 
diff --git a/hugolib/pageSort_test.go b/hugolib/pageSort_test.go
index 695045ff1..915947fd3 100644
--- a/hugolib/pageSort_test.go
+++ b/hugolib/pageSort_test.go
@@ -179,6 +179,49 @@ func TestPageSortByParam(t *testing.T) {
 	assert.Equal(t, unsetValue, unsetSortedValue)
 }
 
+func TestPageSortByParamNumeric(t *testing.T) {
+	t.Parallel()
+	var k interface{} = "arbitrarily.nested"
+	s := newTestSite(t)
+
+	n := 10
+	unsorted := createSortTestPages(s, n)
+	for i := 0; i < n; i++ {
+		v := 100 - i
+		if i%2 == 0 {
+			v = 100.0 - i
+		}
+
+		unsorted[i].params = map[string]interface{}{
+			"arbitrarily": map[string]interface{}{
+				"nested": v,
+			},
+		}
+	}
+	delete(unsorted[9].params, "arbitrarily")
+
+	firstSetValue, _ := unsorted[0].Param(k)
+	secondSetValue, _ := unsorted[1].Param(k)
+	lastSetValue, _ := unsorted[8].Param(k)
+	unsetValue, _ := unsorted[9].Param(k)
+
+	assert.Equal(t, 100, firstSetValue)
+	assert.Equal(t, 99, secondSetValue)
+	assert.Equal(t, 92, lastSetValue)
+	assert.Equal(t, nil, unsetValue)
+
+	sorted := unsorted.ByParam("arbitrarily.nested")
+	firstSetSortedValue, _ := sorted[0].Param(k)
+	secondSetSortedValue, _ := sorted[1].Param(k)
+	lastSetSortedValue, _ := sorted[8].Param(k)
+	unsetSortedValue, _ := sorted[9].Param(k)
+
+	assert.Equal(t, 92, firstSetSortedValue)
+	assert.Equal(t, 93, secondSetSortedValue)
+	assert.Equal(t, 100, lastSetSortedValue)
+	assert.Equal(t, unsetValue, unsetSortedValue)
+}
+
 func BenchmarkSortByWeightAndReverse(b *testing.B) {
 	s := newTestSite(b)
 	p := createSortTestPages(s, 300)