diff --git a/.idea/nulib-spout.iml b/.idea/nulib-spout.iml
index 7d84d1a..a705279 100644
--- a/.idea/nulib-spout.iml
+++ b/.idea/nulib-spout.iml
@@ -5,6 +5,8 @@
       <sourceFolder url="file://$MODULE_DIR$/src" isTestSource="false" packagePrefix="nulib\ext\" />
       <sourceFolder url="file://$MODULE_DIR$/tests" isTestSource="true" packagePrefix="nulib\ext\" />
       <sourceFolder url="file://$MODULE_DIR$/upstream-3.x/src" isTestSource="false" packagePrefix="OpenSpout\" />
+      <sourceFolder url="file://$MODULE_DIR$/upstream-4.x/benchmarks" isTestSource="true" packagePrefix="OpenSpout\Benchmarks\" />
+      <sourceFolder url="file://$MODULE_DIR$/upstream-4.x/src" isTestSource="false" packagePrefix="OpenSpout\" />
       <excludeFolder url="file://$MODULE_DIR$/vendor" />
     </content>
     <orderEntry type="inheritedJdk" />
diff --git a/src/spout/SpoutBuilder.php b/src/spout/SpoutBuilder.php
index c09c582..784ecc3 100644
--- a/src/spout/SpoutBuilder.php
+++ b/src/spout/SpoutBuilder.php
@@ -158,7 +158,8 @@ class SpoutBuilder extends AbstractBuilder {
     }
 
     $writerParams = $params["spout"] ?? static::WRITER_PARAMS;
-    $writerParams["->setDefaultColumnWidth"] ??= 10.5;
+    $writerParams["default_column_width"] ??= 10.5;
+    self::ensure_style($writerParams["default_row_style"]);
     switch ($writerType) {
     case "ods":
     case self::WRITER_TYPE_ODS:
@@ -174,7 +175,10 @@ class SpoutBuilder extends AbstractBuilder {
       self::apply_params($writer, $writerParams, ref_params_xlsx::WRITER);
       break;
     }
-    self::ensure_style($writerParams["default_row_style"]);
+    $defaultColumnWidth = $writerParams["default_column_width"];
+    if ($defaultColumnWidth !== null) $writer->setDefaultColumnWidth($defaultColumnWidth);
+    $defaultRowHeight = $writerParams["default_row_height"];
+    if ($defaultRowHeight !== null) $writer->setDefaultRowHeight($defaultRowHeight);
     $defaultRowStyle = $writerParams["default_row_style"];
     if ($defaultRowStyle !== null) $writer->setDefaultRowStyle($defaultRowStyle);
     $writer->writeToStream($this->getResource());
diff --git a/src/spout/ref_params_ods.php b/src/spout/ref_params_ods.php
index 87c382e..7430fc4 100644
--- a/src/spout/ref_params_ods.php
+++ b/src/spout/ref_params_ods.php
@@ -6,10 +6,10 @@ class ref_params_ods extends ref_params {
   ];
 
   const WRITER = [
-    "->setDefaultColumnWidth" => ["float"],
-    "->setDefaultRowHeight" => ["float"],
     "->setColumnWidth" => ["float", ["int", null]],
     "->setColumnWidthForRange" => ["int", "int", "int"],
+    "default_column_width" => "float",
+    "default_row_height" => "float",
     "default_row_style" => self::STYLE,
   ];
 
diff --git a/src/spout/ref_params_xlsx.php b/src/spout/ref_params_xlsx.php
index c9d0c85..d7abaf8 100644
--- a/src/spout/ref_params_xlsx.php
+++ b/src/spout/ref_params_xlsx.php
@@ -6,10 +6,10 @@ class ref_params_xlsx extends ref_params {
   ];
 
   const WRITER = [
-    "->setDefaultColumnWidth" => ["float"],
-    "->setDefaultRowHeight" => ["float"],
     "->setColumnWidth" => ["float", ["int", null]],
     "->setColumnWidthForRange" => ["int", "int", "int"],
+    "default_column_width" => "float",
+    "default_row_height" => "float",
     "default_row_style" => self::STYLE,
   ];