diff --git a/src/backend/executor/execExpr.c b/src/backend/executor/execExpr.c
index 2c8c414a14..81b9d87bad 100644
--- a/src/backend/executor/execExpr.c
+++ b/src/backend/executor/execExpr.c
@@ -363,7 +363,7 @@ ExecBuildProjectionInfo(List *targetList,
 
 	projInfo->pi_exprContext = econtext;
 	/* We embed ExprState into ProjectionInfo instead of doing extra palloc */
-	projInfo->pi_state.tag = T_ExprState;
+	projInfo->pi_state.type = T_ExprState;
 	state = &projInfo->pi_state;
 	state->expr = (Expr *) targetList;
 	state->parent = parent;
@@ -531,7 +531,7 @@ ExecBuildUpdateProjection(List *targetList,
 
 	projInfo->pi_exprContext = econtext;
 	/* We embed ExprState into ProjectionInfo instead of doing extra palloc */
-	projInfo->pi_state.tag = T_ExprState;
+	projInfo->pi_state.type = T_ExprState;
 	state = &projInfo->pi_state;
 	if (evalTargetList)
 		state->expr = (Expr *) targetList;
diff --git a/src/include/nodes/execnodes.h b/src/include/nodes/execnodes.h
index 105180764e..ffc7844756 100644
--- a/src/include/nodes/execnodes.h
+++ b/src/include/nodes/execnodes.h
@@ -60,7 +60,7 @@ typedef Datum (*ExprStateEvalFunc) (struct ExprState *expression,
 
 typedef struct ExprState
 {
-	NodeTag		tag;
+	NodeTag		type;
 
 	uint8		flags;			/* bitmask of EEO_FLAG_* bits, see above */