diff --git a/src/backend/utils/adt/geo_ops.c b/src/backend/utils/adt/geo_ops.c
index a3af08ad6b..ad48dfcb4b 100644
--- a/src/backend/utils/adt/geo_ops.c
+++ b/src/backend/utils/adt/geo_ops.c
@@ -20,6 +20,7 @@
 #include <ctype.h>
 
 #include "libpq/pqformat.h"
+#include "miscadmin.h"
 #include "utils/builtins.h"
 #include "utils/geo_decls.h"
 
@@ -3931,6 +3932,8 @@ lseg_inside_poly(Point *a, Point *b, POLYGON *poly, int start)
 	{
 		Point	   *interpt;
 
+		CHECK_FOR_INTERRUPTS();
+
 		s.p[1] = poly->p[i];
 
 		if (on_ps_internal(t.p, &s))