diff --git a/core/src/main/java/org/apache/calcite/sql/SqlDialect.java b/core/src/main/java/org/apache/calcite/sql/SqlDialect.java
index e659d1d17eb..f00a8a27c4d 100644
--- a/core/src/main/java/org/apache/calcite/sql/SqlDialect.java
+++ b/core/src/main/java/org/apache/calcite/sql/SqlDialect.java
@@ -496,9 +496,9 @@ public void unparseNumericLiteral(SqlWriter writer,
   public void unparseSqlDatetimeArithmetic(SqlWriter writer,
       SqlCall call, SqlKind sqlKind, int leftPrec, int rightPrec) {
     final SqlWriter.Frame frame = writer.startList("(", ")");
-    call.operand(0).unparse(writer, leftPrec, rightPrec);
+    call.operand(0).unparse(writer, leftPrec, call.getOperator().getLeftPrec());
     writer.sep((SqlKind.PLUS == sqlKind) ? "+" : "-");
-    call.operand(1).unparse(writer, leftPrec, rightPrec);
+    call.operand(1).unparse(writer, call.getOperator().getRightPrec(), rightPrec);
     writer.endList(frame);
     // Only two parameters are present normally.
     // Checking parameter count to prevent errors.
diff --git a/core/src/test/java/org/apache/calcite/rel/rel2sql/RelToSqlConverterTest.java b/core/src/test/java/org/apache/calcite/rel/rel2sql/RelToSqlConverterTest.java
index 772c409692b..16ee79ab147 100644
--- a/core/src/test/java/org/apache/calcite/rel/rel2sql/RelToSqlConverterTest.java
+++ b/core/src/test/java/org/apache/calcite/rel/rel2sql/RelToSqlConverterTest.java
@@ -561,6 +561,20 @@ private static String toSql(RelNode root, SqlDialect dialect,
         .withOracle().ok(expectedOracle);
   }
 
+  @Test void testDatetimeSubtractionWithCompoundInterval() {
+    final String query = "select CURRENT_DATE"
+        + " - (INTERVAL '3' YEAR + INTERVAL '3' YEAR) as d";
+    final String expected = "SELECT (CURRENT_DATE"
+        + " - (INTERVAL '3' YEAR + INTERVAL '3' YEAR)) AS \"D\"\n"
+        + "FROM (VALUES (0)) AS \"t\" (\"ZERO\")";
+    final String expectedSpark = "SELECT (CURRENT_DATE"
+        + " - (INTERVAL '3' YEAR + INTERVAL '3' YEAR)) `D`\n"
+        + "FROM (VALUES (0)) `t` (`ZERO`)";
+    sql(query)
+        .ok(expected)
+        .withSpark().ok(expectedSpark);
+  }
+
   @Test void testPivotToSqlFromProductTable() {
     String query = "select * from (\n"
         + "  select \"shelf_width\", \"net_weight\", \"product_id\"\n"