diff --git a/print.module b/print.module
index 194c31117e200864aa19fb0fe5640aa1a2abd100..9507610838fb4918692883bfe1043e89b55cd6ab 100644
--- a/print.module
+++ b/print.module
@@ -341,8 +341,8 @@ function print_link($type, $node = NULL, $teaser = FALSE) {
     $query = print_query_string_encode($query_arr, array('q'));
     if (empty($query)) $query = NULL;
 
-    if ($print_html_link_use_alias) {
-      $path = drupal_get_path_alias('node/'. $node->nid);
+    if (($print_html_link_use_alias) && ($alias = drupal_lookup_path('alias', 'node/'. $node->nid))) {
+      $path = $alias;
     }
     else {
       $path = $node->nid;
@@ -731,8 +731,8 @@ function print_insert_link($path = NULL, $node = NULL) {
         $path = 'book/export/html/'. $nid;
       }
       else {
-        if (variable_get('print_html_link_use_alias', PRINT_HTML_LINK_USE_ALIAS_DEFAULT)) {
-          $path = drupal_get_path_alias($path);
+        if (variable_get('print_html_link_use_alias', PRINT_HTML_LINK_USE_ALIAS_DEFAULT) && ($alias = drupal_lookup_path('alias', $path))) {
+          $path = $alias;
         }
         else {
           $path = $nid;
diff --git a/print_mail/print_mail.module b/print_mail/print_mail.module
index 752d10e6964ea2be7e412baab3e4bd499ed0bdfb..60af70d6c17f5f9cc032ea914dba2b773bc57d7d 100644
--- a/print_mail/print_mail.module
+++ b/print_mail/print_mail.module
@@ -159,8 +159,8 @@ function print_mail_link($type, $node = NULL, $teaser = FALSE) {
       $query = print_query_string_encode($query_arr, array('q'));
       if (empty($query)) $query = NULL;
 
-      if ($print_mail_link_use_alias) {
-        $path = drupal_get_path_alias('node/'. $node->nid);
+      if (($print_mail_link_use_alias) && ($alias = drupal_lookup_path('alias', 'node/'. $node->nid))) {
+        $path = $alias;
       }
       else {
         $path = $node->nid;
@@ -407,8 +407,8 @@ function print_mail_insert_link($path = NULL, $node = NULL) {
         $path = 'book/export/html/'. $nid;
       }
       else {
-        if (variable_get('print_mail_link_use_alias', PRINT_MAIL_LINK_USE_ALIAS_DEFAULT)) {
-          $path = drupal_get_path_alias($path);
+        if (variable_get('print_mail_link_use_alias', PRINT_MAIL_LINK_USE_ALIAS_DEFAULT) && ($alias = drupal_lookup_path('alias', $path))) {
+          $path = $alias;
         }
         else {
           $path = $nid;
diff --git a/print_pdf/print_pdf.module b/print_pdf/print_pdf.module
index a88f4546477bdf4e84604337e9cd47c3a81ac435..04605d15b9532e09258348b8f82950d6294a8030 100644
--- a/print_pdf/print_pdf.module
+++ b/print_pdf/print_pdf.module
@@ -291,8 +291,8 @@ function print_pdf_link($type, $node = NULL, $teaser = FALSE) {
       $query = print_query_string_encode($query_arr, array('q'));
       if (empty($query)) $query = NULL;
 
-      if ($print_pdf_link_use_alias) {
-        $path = drupal_get_path_alias('node/'. $node->nid);
+      if (($print_pdf_link_use_alias) && ($alias = drupal_lookup_path('alias', 'node/'. $node->nid))) {
+        $path = $alias;
       }
       else {
         $path = $node->nid;
@@ -492,8 +492,8 @@ function print_pdf_insert_link($path = NULL, $node = NULL) {
         $path = 'book/export/html/'. $nid;
       }
       else {
-        if (variable_get('print_pdf_link_use_alias', PRINT_PDF_LINK_USE_ALIAS_DEFAULT)) {
-          $path = drupal_get_path_alias($path);
+        if (variable_get('print_pdf_link_use_alias', PRINT_PDF_LINK_USE_ALIAS_DEFAULT) && ($alias = drupal_lookup_path('alias', $path))) {
+          $path = $alias;
         }
         else {
           $path = $nid;