diff --git a/pdf/core/primitives.go b/pdf/core/primitives.go
index 6e530c2b..3278e924 100644
--- a/pdf/core/primitives.go
+++ b/pdf/core/primitives.go
@@ -296,6 +296,7 @@ func (str *PdfObjectString) DefaultWriteString() string {
 	return output.String()
 }
 
+// String returns a string representation of `name`.
 func (name *PdfObjectName) String() string {
 	return string(*name)
 }
@@ -581,6 +582,12 @@ func (d *PdfObjectDictionary) Keys() []PdfObjectName {
 	return d.keys
 }
 
+// Clear resets the dictionary to an empty state.
+func (d *PdfObjectDictionary) Clear() {
+	d.keys = []PdfObjectName{}
+	d.dict = map[PdfObjectName]PdfObject{}
+}
+
 // Remove removes an element specified by key.
 func (d *PdfObjectDictionary) Remove(key PdfObjectName) {
 	idx := -1
diff --git a/pdf/model/page.go b/pdf/model/page.go
index b5184f5d..01cc5136 100644
--- a/pdf/model/page.go
+++ b/pdf/model/page.go
@@ -443,6 +443,7 @@ func (this *PdfPage) getResources() (*PdfPageResources, error) {
 // Convert the Page to a PDF object dictionary.
 func (this *PdfPage) GetPageDict() *PdfObjectDictionary {
 	p := this.pageDict
+	p.Clear()
 	p.Set("Type", MakeName("Page"))
 	p.Set("Parent", this.Parent)