diff --git a/src/Exception/CouldNotCompressData.php b/src/Exception/CouldNotCompressData.php
deleted file mode 100644
index 6fb64af..0000000
--- a/src/Exception/CouldNotCompressData.php
+++ /dev/null
@@ -1,14 +0,0 @@
-<?php
-
-declare(strict_types=1);
-
-namespace PetrKnap\XzUtils\Exception;
-
-use PetrKnap\Shorts\Exception\CouldNotProcessData;
-
-/**
- * @extends CouldNotProcessData<string>
- */
-abstract class CouldNotCompressData extends CouldNotProcessData implements Exception
-{
-}
diff --git a/src/Exception/CouldNotDecompressData.php b/src/Exception/CouldNotDecompressData.php
deleted file mode 100644
index 786d241..0000000
--- a/src/Exception/CouldNotDecompressData.php
+++ /dev/null
@@ -1,14 +0,0 @@
-<?php
-
-declare(strict_types=1);
-
-namespace PetrKnap\XzUtils\Exception;
-
-use PetrKnap\Shorts\Exception\CouldNotProcessData;
-
-/**
- * @extends CouldNotProcessData<string>
- */
-abstract class CouldNotDecompressData extends CouldNotProcessData implements Exception
-{
-}
diff --git a/src/Exception/LzmaCouldNotCompressData.php b/src/Exception/LzmaCouldNotCompressData.php
index c73c38d..b9d68ca 100644
--- a/src/Exception/LzmaCouldNotCompressData.php
+++ b/src/Exception/LzmaCouldNotCompressData.php
@@ -4,6 +4,11 @@
 
 namespace PetrKnap\XzUtils\Exception;
 
-final class LzmaCouldNotCompressData extends CouldNotCompressData implements LzmaException
+use PetrKnap\Shorts\Exception\CouldNotProcessData;
+
+/**
+ * @extends CouldNotProcessData<string>
+ */
+final class LzmaCouldNotCompressData extends CouldNotProcessData implements LzmaException
 {
 }
diff --git a/src/Exception/LzmaCouldNotDecompressData.php b/src/Exception/LzmaCouldNotDecompressData.php
index d9f0ebe..516ae19 100644
--- a/src/Exception/LzmaCouldNotDecompressData.php
+++ b/src/Exception/LzmaCouldNotDecompressData.php
@@ -4,6 +4,11 @@
 
 namespace PetrKnap\XzUtils\Exception;
 
-final class LzmaCouldNotDecompressData extends CouldNotDecompressData implements XzException
+use PetrKnap\Shorts\Exception\CouldNotProcessData;
+
+/**
+ * @extends CouldNotProcessData<string>
+ */
+final class LzmaCouldNotDecompressData extends CouldNotProcessData implements LzmaException
 {
 }
diff --git a/src/Exception/XzCouldNotCompressData.php b/src/Exception/XzCouldNotCompressData.php
index 672e7f0..410b8f7 100644
--- a/src/Exception/XzCouldNotCompressData.php
+++ b/src/Exception/XzCouldNotCompressData.php
@@ -4,6 +4,11 @@
 
 namespace PetrKnap\XzUtils\Exception;
 
-final class XzCouldNotCompressData extends CouldNotCompressData implements XzException
+use PetrKnap\Shorts\Exception\CouldNotProcessData;
+
+/**
+ * @extends CouldNotProcessData<string>
+ */
+final class XzCouldNotCompressData extends CouldNotProcessData implements XzException
 {
 }
diff --git a/src/Exception/XzCouldNotDecompressData.php b/src/Exception/XzCouldNotDecompressData.php
index 1cab810..cbffa09 100644
--- a/src/Exception/XzCouldNotDecompressData.php
+++ b/src/Exception/XzCouldNotDecompressData.php
@@ -4,6 +4,11 @@
 
 namespace PetrKnap\XzUtils\Exception;
 
-final class XzCouldNotDecompressData extends CouldNotDecompressData implements XzException
+use PetrKnap\Shorts\Exception\CouldNotProcessData;
+
+/**
+ * @extends CouldNotProcessData<string>
+ */
+final class XzCouldNotDecompressData extends CouldNotProcessData implements XzException
 {
 }
diff --git a/src/Lzma.php b/src/Lzma.php
index 6d98354..ec0d718 100644
--- a/src/Lzma.php
+++ b/src/Lzma.php
@@ -14,7 +14,10 @@ protected static function compressException(): string
         return Exception\LzmaCouldNotCompressData::class;
     }
 
-    protected static function decompressException(): string
+    /**
+     * @internal public for testing purposes only
+     */
+    public static function decompressException(): string
     {
         return Exception\LzmaCouldNotDecompressData::class;
     }
diff --git a/src/Xz.php b/src/Xz.php
index 274473d..8d68b56 100644
--- a/src/Xz.php
+++ b/src/Xz.php
@@ -14,7 +14,10 @@ protected static function compressException(): string
         return Exception\XzCouldNotCompressData::class;
     }
 
-    protected static function decompressException(): string
+    /**
+     * @internal public for testing purposes only
+     */
+    public static function decompressException(): string
     {
         return Exception\XzCouldNotDecompressData::class;
     }
diff --git a/src/XzUtils.php b/src/XzUtils.php
index 90a085c..fdd8358 100644
--- a/src/XzUtils.php
+++ b/src/XzUtils.php
@@ -5,19 +5,20 @@
 namespace PetrKnap\XzUtils;
 
 use PetrKnap\ExternalFilter\Exception\FilterException;
+use PetrKnap\Shorts\Exception\CouldNotProcessData;
 
 /**
  * @internal shared logic
  *
- * @template TCompressException of Exception\CouldNotCompressData
- * @template TDecompressException of Exception\CouldNotDecompressData
+ * @template TCompressException of Exception\Exception
+ * @template TDecompressException of Exception\Exception
  */
 abstract class XzUtils
 {
     /**
      * @param array<non-empty-string>|null $options
      *
-     * @throws TCompressException&Exception\CouldNotCompressData
+     * @throws TCompressException
      */
     final public function compress(
         string $data,
@@ -34,7 +35,7 @@ final public function compress(
     /**
      * @param array<non-empty-string>|null $options
      *
-     * @throws TDecompressException&Exception\CouldNotDecompressData
+     * @throws TDecompressException
      */
     final public function decompress(
         string $data,
@@ -48,12 +49,12 @@ final public function decompress(
     }
 
     /**
-     * @return class-string<TCompressException&Exception\CouldNotCompressData>
+     * @return class-string<TCompressException&CouldNotProcessData<string>>
      */
     abstract protected static function compressException(): string;
 
     /**
-     * @return class-string<TDecompressException&Exception\CouldNotDecompressData>
+     * @return class-string<TDecompressException&CouldNotProcessData<string>>
      */
     abstract protected static function decompressException(): string;
 
diff --git a/tests/XzUtilsTestCase.php b/tests/XzUtilsTestCase.php
index a8f243e..bfd3f46 100644
--- a/tests/XzUtilsTestCase.php
+++ b/tests/XzUtilsTestCase.php
@@ -4,9 +4,11 @@
 
 namespace PetrKnap\XzUtils;
 
+use PetrKnap\Shorts\Exception\CouldNotProcessData;
 use PHPUnit\Framework\Attributes\CoversClass;
 use PHPUnit\Framework\Attributes\DataProvider;
 use PHPUnit\Framework\TestCase;
+use Throwable;
 
 #[CoversClass(FilterFactory::class)]
 abstract class XzUtilsTestCase extends TestCase
@@ -31,11 +33,19 @@ final public function testDecompressesData(string $decompressed, string $compres
         );
     }
 
-    final public function testDecompressThrowsOnWrongData(): void
+    final public function testDecompressThrowsCorrectlyOnWrongData(): void
     {
-        self::expectException(Exception\CouldNotDecompressData::class);
+        self::expectException(Exception\Exception::class);
 
-        static::getInstance()->decompress('?');
+        try {
+            static::getInstance()->decompress('wrong data');
+        } catch (Throwable $throwable) {
+            self::assertInstanceOf(call_user_func([static::getInstance()::class, 'decompressException']), $throwable);
+            /** @var CouldNotProcessData $throwable */
+            self::assertSame('wrong data', $throwable->getData());
+
+            throw $throwable;
+        }
     }
 
     public static function data(): array