diff --git a/fdw/pxf_fdw.c b/fdw/pxf_fdw.c
index 674d9da627..830dd66109 100644
--- a/fdw/pxf_fdw.c
+++ b/fdw/pxf_fdw.c
@@ -610,6 +610,18 @@ pxfBeginForeignModify(ModifyTableState *mtstate,
 	 * external resource in the QD node, when all the actual insertions happen
 	 * in the segments.
 	 */
+	/* begin of temp block */
+	/*
+	 * Previously, ri_FdwState initialized here, but not in
+	 * pxfExecForeignInsert(). This was optimized, but unfortunately, there may
+	 * be some external projects that depend on old behavior. Here we do a temp
+	 * fix, which restores old behavior.
+	 */
+	if (eflags & EXEC_FLAG_EXPLAIN_ONLY)
+		return;
+	if (!resultRelInfo->ri_FdwState)
+		resultRelInfo->ri_FdwState = InitForeignModify(resultRelInfo->ri_RelationDesc);
+	/* end of temp block */
 }
 
 /*