diff --git a/src/backend/statistics/dependencies.c b/src/backend/statistics/dependencies.c
index 1a90e4b7157..fee07c6b34d 100644
--- a/src/backend/statistics/dependencies.c
+++ b/src/backend/statistics/dependencies.c
@@ -511,7 +511,7 @@ statext_dependencies_deserialize(bytea *data)
 		return NULL;
 
 	if (VARSIZE_ANY_EXHDR(data) < SizeOfDependencies)
-		elog(ERROR, "invalid MVDependencies size %ld (expected at least %ld)",
+		elog(ERROR, "invalid MVDependencies size %zd (expected at least %zd)",
 			 VARSIZE_ANY_EXHDR(data), SizeOfDependencies);
 
 	/* read the MVDependencies header */
@@ -547,7 +547,7 @@ statext_dependencies_deserialize(bytea *data)
 							   sizeof(AttrNumber) * 2);
 
 	if (VARSIZE_ANY_EXHDR(data) < min_expected_size)
-		elog(ERROR, "invalid dependencies size %ld (expected at least %ld)",
+		elog(ERROR, "invalid dependencies size %zd (expected at least %zd)",
 			 VARSIZE_ANY_EXHDR(data), min_expected_size);
 
 	/* allocate space for the MCV items */
diff --git a/src/backend/statistics/mvdistinct.c b/src/backend/statistics/mvdistinct.c
index 6082ff01a9a..ece544b3a3c 100644
--- a/src/backend/statistics/mvdistinct.c
+++ b/src/backend/statistics/mvdistinct.c
@@ -238,7 +238,7 @@ statext_ndistinct_deserialize(bytea *data)
 
 	/* we expect at least the basic fields of MVNDistinct struct */
 	if (VARSIZE_ANY_EXHDR(data) < SizeOfMVNDistinct)
-		elog(ERROR, "invalid MVNDistinct size %ld (expected at least %ld)",
+		elog(ERROR, "invalid MVNDistinct size %zd (expected at least %zd)",
 			 VARSIZE_ANY_EXHDR(data), SizeOfMVNDistinct);
 
 	/* initialize pointer to the data part (skip the varlena header) */
@@ -274,7 +274,7 @@ statext_ndistinct_deserialize(bytea *data)
 	if (VARSIZE_ANY_EXHDR(data) < minimum_size)
 		ereport(ERROR,
 				(errcode(ERRCODE_DATA_CORRUPTED),
-				 errmsg("invalid MVNDistinct size %ld (expected at least %ld)",
+				 errmsg("invalid MVNDistinct size %zd (expected at least %zd)",
 						VARSIZE_ANY_EXHDR(data), minimum_size)));
 
 	/*