diff --git a/libraries/AP_AIS/AP_AIS.cpp b/libraries/AP_AIS/AP_AIS.cpp
index fb7646919b..897e3e6679 100644
--- a/libraries/AP_AIS/AP_AIS.cpp
+++ b/libraries/AP_AIS/AP_AIS.cpp
@@ -309,12 +309,12 @@ bool AP_AIS::get_vessel_index(uint32_t mmsi, uint16_t &index, uint32_t lat, uint
         return false;
     }
 
-    struct Location current_loc;
+    Location current_loc;
     if (!AP::ahrs().get_location(current_loc)) {
         return false;
     }
 
-    struct Location loc;
+    Location loc;
     float dist;
     float max_dist = 0;
     for (uint16_t i = 0; i < list_size; i++) {