diff --git a/src/Data/MaskPatternTester.php b/src/Data/MaskPatternTester.php
index d7cedbe23..8e470f57b 100644
--- a/src/Data/MaskPatternTester.php
+++ b/src/Data/MaskPatternTester.php
@@ -62,7 +62,7 @@ final class MaskPatternTester{
 	 * @see \chillerlan\QRCode\Data\QRMatrix::$maskPattern
 	 */
 	public function testPattern(int $pattern):int{
-		$matrix  = $this->qrData->initMatrix($pattern, true);
+		$matrix  = $this->qrData->writeMatrix($pattern, true);
 		$penalty = 0;
 
 		for($level = 1; $level <= 4; $level++){
diff --git a/src/Data/QRData.php b/src/Data/QRData.php
index 79fa99123..28ed1ad76 100644
--- a/src/Data/QRData.php
+++ b/src/Data/QRData.php
@@ -100,7 +100,7 @@ class QRData{
 	/**
 	 * returns a fresh matrix object with the data written for the given $maskPattern
 	 */
-	public function initMatrix(int $maskPattern, bool $test = null):QRMatrix{
+	public function writeMatrix(int $maskPattern, bool $test = null):QRMatrix{
 		$data = (new ReedSolomonEncoder)->interleaveEcBytes($this->bitBuffer, $this->version, $this->eccLevel);
 
 		return (new QRMatrix($this->version, $this->eccLevel))
diff --git a/src/QRCode.php b/src/QRCode.php
index b8dffce50..d654d2a3b 100755
--- a/src/QRCode.php
+++ b/src/QRCode.php
@@ -158,7 +158,7 @@ class QRCode{
 			? (new MaskPatternTester($this->dataInterface))->getBestMaskPattern()
 			: $this->options->maskPattern;
 
-		$matrix = $this->dataInterface->initMatrix($maskPattern);
+		$matrix = $this->dataInterface->writeMatrix($maskPattern);
 
 		if((bool)$this->options->addQuietzone){
 			$matrix->setQuietZone($this->options->quietzoneSize);
diff --git a/tests/Data/DatainterfaceTestAbstract.php b/tests/Data/DatainterfaceTestAbstract.php
index 0e0361dfc..e0faee38a 100644
--- a/tests/Data/DatainterfaceTestAbstract.php
+++ b/tests/Data/DatainterfaceTestAbstract.php
@@ -82,7 +82,7 @@ abstract class DatainterfaceTestAbstract extends TestCase{
 	public function testInitMatrix(int $maskPattern):void{
 		$this->dataInterface->setData([$this->testdata]);
 
-		$matrix = $this->dataInterface->initMatrix($maskPattern);
+		$matrix = $this->dataInterface->writeMatrix($maskPattern);
 
 		$this::assertInstanceOf(QRMatrix::class, $matrix);
 		$this::assertSame($maskPattern, $matrix->maskPattern());
diff --git a/tests/Output/QROutputTestAbstract.php b/tests/Output/QROutputTestAbstract.php
index 633b99206..b6eec6b99 100644
--- a/tests/Output/QROutputTestAbstract.php
+++ b/tests/Output/QROutputTestAbstract.php
@@ -48,7 +48,7 @@ abstract class QROutputTestAbstract extends TestCase{
 		}
 
 		$this->options         = new QROptions;
-		$this->matrix          = (new QRData($this->options, [[Byte::class, 'testdata']]))->initMatrix(0);
+		$this->matrix          = (new QRData($this->options, [[Byte::class, 'testdata']]))->writeMatrix(0);
 		$this->outputInterface = $this->getOutputInterface($this->options);
 	}