diff --git a/include/hamlib/rig.h b/include/hamlib/rig.h
index 72eb3d105..e04a28be8 100644
--- a/include/hamlib/rig.h
+++ b/include/hamlib/rig.h
@@ -1908,17 +1908,18 @@ struct rig_spectrum_line
 
 /**
  * Config item for deferred processing
+ *  (Funky names to avoid clash with perl keywords. Sheesh.)
  **/
 struct deferred_config_item {
-  struct deferred_config_item *next;
+  struct deferred_config_item *nextt;
   hamlib_token_t token;
   char *value;                  // strdup'ed, must be freed
 };
 typedef struct deferred_config_item deferred_config_item_t;
 
 struct deferred_config_header {
-  struct deferred_config_item *first;   // NULL if none
-  struct deferred_config_item *last;
+  struct deferred_config_item *firstt;   // NULL if none
+  struct deferred_config_item *lastt;
 };
 typedef struct deferred_config_header deferred_config_header_t;
 
diff --git a/src/misc.c b/src/misc.c
index 8d448d2a2..fa2308f54 100644
--- a/src/misc.c
+++ b/src/misc.c
@@ -3151,18 +3151,18 @@ int queue_deferred_config(deferred_config_header_t *head, hamlib_token_t token,
     }
 
     item->token = token;
-    item->next = NULL;
+    item->nextt = NULL;
 
-    if (!head->first)
+    if (!head->firstt)
     {
-        head->first = item;
+        head->firstt = item;
     }
     else
     {
-        head->last->next = item;
+        head->lastt->nextt = item;
     }
 
-    head->last = item;
+    head->lastt = item;
 
     return RIG_OK;
 }
diff --git a/src/rotator.c b/src/rotator.c
index 1b9b2b0de..4ce7b5326 100644
--- a/src/rotator.c
+++ b/src/rotator.c
@@ -557,9 +557,9 @@ int HAMLIB_API rot_open(ROT *rot)
      * Now that the rotator port is officially opened, we can
      *  send the deferred configuration info.
      */
-    while ((item = rs->config_queue.first))
+    while ((item = rs->config_queue.firstt))
     {
-        rs->config_queue.first = item->next;
+        rs->config_queue.firstt = item->nextt;
         status = rot_set_conf(rot, item->token, item->value);
         free(item->value);
         free(item);