Index: applications/editors/josm/plugins/pdfimport/src/pdfimport/LoadPdfDialog.java
===================================================================
--- applications/editors/josm/plugins/pdfimport/src/pdfimport/LoadPdfDialog.java	(revision 30416)
+++ applications/editors/josm/plugins/pdfimport/src/pdfimport/LoadPdfDialog.java	(revision 30532)
@@ -120,5 +120,5 @@
 	 * Combobox with all projections available
 	 */
-	private JComboBox projectionCombo;
+	private JComboBox<ProjectionChoice> projectionCombo;
 	private JButton projectionPreferencesButton;
 	private JTextField minXField;
@@ -247,5 +247,5 @@
 		c.gridheight = 1;c.gridwidth = 1;c.weightx =1; c.weighty = 1; c.fill = GridBagConstraints.BOTH;
 
-		this.projectionCombo = new JComboBox();
+		this.projectionCombo = new JComboBox<>();
 		for (ProjectionChoice p: ProjectionPreference.getProjectionChoices()) {
 			this.projectionCombo.addItem(p);