diff --git a/application/controllers/adif.php b/application/controllers/adif.php
index bfad95ab..ce991a74 100644
--- a/application/controllers/adif.php
+++ b/application/controllers/adif.php
@@ -14,6 +14,9 @@ class adif extends CI_Controller {
 	// Export all QSO Data in ASC Order of Date.
 	public function exportall()
 	{
+		// Set memory limit to unlimited to allow heavy usage
+		ini_set('memory_limit', '-1');
+		
 		$this->load->model('adif_data');
 
 		$data['qsos'] = $this->adif_data->export_all();
@@ -22,6 +25,10 @@ class adif extends CI_Controller {
 	}
 	
 	public function export_custom() {
+	
+		// Set memory limit to unlimited to allow heavy usage
+		ini_set('memory_limit', '-1');
+	
 		$this->load->model('adif_data');
 
 		$data['qsos'] = $this->adif_data->export_custom($this->input->post('from'), $this->input->post('to'));