diff --git a/dumper.go b/dumper.go
index 4888ea4..c8650a2 100644
--- a/dumper.go
+++ b/dumper.go
@@ -11,6 +11,7 @@ type pointer struct {
 	pos    int
 	tagged bool
 }
+
 type dumper struct {
 	buf   []byte
 	theme theme
@@ -58,7 +59,9 @@ func (d *dumper) dump(v any, ignore_depth ...bool) {
 		d.write(d.theme.Number.apply(v.(string)))
 	case reflect.Invalid:
 		d.write(d.theme.Nil.apply("nil"))
-
+	case reflect.Uintptr:
+		v = fmt.Sprint(reflect.ValueOf(v).Uint())
+		d.write(d.theme.Number.apply(v.(string)))
 	}
 }
 
diff --git a/dumper_test.go b/dumper_test.go
index 1cf1d02..0c2cce6 100644
--- a/dumper_test.go
+++ b/dumper_test.go
@@ -577,8 +577,8 @@ func TestDumperWithComplexDataStructure(t *testing.T) {
 	for i, line := range e_lines {
 		if len(line) != len(r_lines[i]) {
 			t.Fatalf(`mismatche at line %d:
-- "%s"
-+ "%s"`, i, line, r_lines[i])
+--- "%s"
++++ "%s"`, i+1, line, r_lines[i])
 		}
 
 		for j, ch := range line {
diff --git a/testdata/output.txt b/testdata/output.txt
index 229bec6..401734a 100644
--- a/testdata/output.txt
+++ b/testdata/output.txt
@@ -9,7 +9,7 @@
    Uint16Field: 300,
    Uint32Field: 400,
    Uint64Field: 500,
-   UintptrField: ,
+   UintptrField: 600,
    Float32Field: 123.45600128173828,
    Float64Field: 789.012,
    Complex64Field: (1+2i),
@@ -28,7 +28,7 @@
          Uint16Field: 1300,
          Uint32Field: 1400,
          Uint64Field: 1500,
-         UintptrField: ,
+         UintptrField: 1600,
          Float32Field: 223.45599365234375,
          Float64Field: 1789.012,
          Complex64Field: (2+3i),
@@ -109,7 +109,7 @@
          Uint16Field: 2300,
          Uint32Field: 2400,
          Uint64Field: 2500,
-         UintptrField: ,
+         UintptrField: 2600,
          Float32Field: 323.45599365234375,
          Float64Field: 2789.012,
          Complex64Field: (3+4i),
@@ -211,7 +211,7 @@
             Uint16Field: 3300,
             Uint32Field: 3400,
             Uint64Field: 3500,
-            UintptrField: ,
+            UintptrField: 3600,
             Float32Field: 423.45599365234375,
             Float64Field: 3789.012,
             Complex64Field: (4+5i),
@@ -230,7 +230,7 @@
                   Uint16Field: 4300,
                   Uint32Field: 4400,
                   Uint64Field: 4500,
-                  UintptrField: ,
+                  UintptrField: 4600,
                   Float32Field: 523.4559936523438,
                   Float64Field: 4789.012,
                   Complex64Field: (5+6i),
@@ -299,7 +299,7 @@
             Uint16Field: 5300,
             Uint32Field: 5400,
             Uint64Field: 5500,
-            UintptrField: ,
+            UintptrField: 5600,
             Float32Field: 623.4559936523438,
             Float64Field: 5789.012,
             Complex64Field: (6+7i),
@@ -318,7 +318,7 @@
                   Uint16Field: 6300,
                   Uint32Field: 6400,
                   Uint64Field: 6500,
-                  UintptrField: ,
+                  UintptrField: 6600,
                   Float32Field: 723.4559936523438,
                   Float64Field: 6789.012,
                   Complex64Field: (7+8i),