diff --git a/scripts/devel/find-offsets.lua b/scripts/devel/find-offsets.lua
index 5add25e4d..74ffc690f 100644
--- a/scripts/devel/find-offsets.lua
+++ b/scripts/devel/find-offsets.lua
@@ -582,7 +582,7 @@ local function find_gps()
 
     local idx, addr = zone.area.int32_t:find_one{w, h, -1, -1}
     if not idx then
-       idx, addr = data.int32_t.find_one{w, h, -1, -1}
+       idx, addr = data.int32_t:find_one{w, h, -1, -1}
     end
     if idx then
         validate_offset('gps', is_valid_gps, addr, df.graphic, 'dimx')