diff --git a/contrib/intarray/_int_gin.c b/contrib/intarray/_int_gin.c
index 6856a68e038..37ea55b8d1f 100644
--- a/contrib/intarray/_int_gin.c
+++ b/contrib/intarray/_int_gin.c
@@ -57,7 +57,7 @@ ginint4_queryextract(PG_FUNCTION_ARGS)
 		}
 	}
 
-	if (nentries == 0)
+	if (*nentries == 0)
 	{
 		switch (strategy)
 		{