diff --git a/src/pg/sql/13_PIA.sql b/src/pg/sql/13_PIA.sql
index d6caa10..ed3c76b 100644
--- a/src/pg/sql/13_PIA.sql
+++ b/src/pg/sql/13_PIA.sql
@@ -115,7 +115,7 @@ DECLARE
 BEGIN
     dist := 1e999;
     pols := array_agg((ST_dump(polygon)).geom);
-    FOR j in 1..array_length(pols, 1);
+    FOR j in 1..array_length(pols, 1)
     LOOP
         pol := pols[j];
         d := dist;