diff --git a/Tests/LibGfx/TestImageDecoder.cpp b/Tests/LibGfx/TestImageDecoder.cpp
index bcd6e95633f..dd80d2b75a0 100644
--- a/Tests/LibGfx/TestImageDecoder.cpp
+++ b/Tests/LibGfx/TestImageDecoder.cpp
@@ -14,6 +14,7 @@
 #include <LibGfx/ImageFormats/ILBMLoader.h>
 #include <LibGfx/ImageFormats/ImageDecoder.h>
 #include <LibGfx/ImageFormats/JBIG2Loader.h>
+#include <LibGfx/ImageFormats/JPEG2000Loader.h>
 #include <LibGfx/ImageFormats/JPEGLoader.h>
 #include <LibGfx/ImageFormats/JPEGXLLoader.h>
 #include <LibGfx/ImageFormats/PAMLoader.h>
@@ -569,6 +570,15 @@ TEST_CASE(test_jpeg_malformed_frame)
     }
 }
 
+TEST_CASE(test_jpeg2000_simple)
+{
+    auto file = TRY_OR_FAIL(Core::MappedFile::map(TEST_INPUT("jpeg2000/simple.jp2"sv)));
+    EXPECT(Gfx::JPEG2000ImageDecoderPlugin::sniff(file->bytes()));
+    auto plugin_decoder = TRY_OR_FAIL(Gfx::JPEG2000ImageDecoderPlugin::create(file->bytes()));
+
+    EXPECT_EQ(plugin_decoder->size(), Gfx::IntSize(119, 101));
+}
+
 TEST_CASE(test_pam_rgb)
 {
     auto file = TRY_OR_FAIL(Core::MappedFile::map(TEST_INPUT("pnm/2x1.pam"sv)));
diff --git a/Tests/LibGfx/test-inputs/jpeg2000/simple.jp2 b/Tests/LibGfx/test-inputs/jpeg2000/simple.jp2
new file mode 100644
index 00000000000..d4e4cfc9c53
Binary files /dev/null and b/Tests/LibGfx/test-inputs/jpeg2000/simple.jp2 differ