diff --git a/be/src/exec/olap_scan_node.cpp b/be/src/exec/olap_scan_node.cpp
index f444f36293..a2d263fbde 100644
--- a/be/src/exec/olap_scan_node.cpp
+++ b/be/src/exec/olap_scan_node.cpp
@@ -1078,6 +1078,7 @@ Status OlapScanNode::normalize_in_and_eq_predicate(SlotDescriptor* slot,
                 // column in (nullptr) is always false so continue to
                 // dispose next item
                 if (nullptr == iter->get_value()) {
+                    iter->next();
                     continue;
                 }
                 auto value = const_cast<void*>(iter->get_value());
diff --git a/be/src/vec/exec/volap_scan_node.cpp b/be/src/vec/exec/volap_scan_node.cpp
index 5eadfb3162..70193187e6 100644
--- a/be/src/vec/exec/volap_scan_node.cpp
+++ b/be/src/vec/exec/volap_scan_node.cpp
@@ -1132,6 +1132,7 @@ Status VOlapScanNode::normalize_in_and_eq_predicate(SlotDescriptor* slot,
                 // column in (nullptr) is always false so continue to
                 // dispose next item
                 if (nullptr == iter->get_value()) {
+                    iter->next();
                     continue;
                 }
                 auto value = const_cast<void*>(iter->get_value());