diff --git a/format/parquet.go b/format/parquet.go
index 08c1c98..6ecdd3e 100644
--- a/format/parquet.go
+++ b/format/parquet.go
@@ -134,7 +134,8 @@ type DecimalType struct {
 }
 
 func (t *DecimalType) String() string {
-	return fmt.Sprintf("DECIMAL(%d,%d)", t.Scale, t.Precision)
+	// Matching parquet-cli's decimal string format: https://github.com/apache/parquet-mr/blob/d057b39d93014fe40f5067ee4a33621e65c91552/parquet-column/src/test/java/org/apache/parquet/parser/TestParquetParser.java#L249-L265
+	return fmt.Sprintf("DECIMAL(%d,%d)", t.Precision, t.Scale)
 }
 
 // Time units for logical types.
diff --git a/print_test.go b/print_test.go
index eae2982..6f535f4 100644
--- a/print_test.go
+++ b/print_test.go
@@ -141,14 +141,14 @@ func TestPrintSchema(t *testing.T) {
 		{
 			node: parquet.Group{"cost": parquet.Decimal(0, 9, parquet.Int32Type)},
 			print: `message Test {
-	required int32 cost (DECIMAL(0,9));
+	required int32 cost (DECIMAL(9,0));
 }`,
 		},
 
 		{
 			node: parquet.Group{"cost": parquet.Decimal(0, 18, parquet.Int64Type)},
 			print: `message Test {
-	required int64 cost (DECIMAL(0,18));
+	required int64 cost (DECIMAL(18,0));
 }`,
 		},