diff --git a/Libraries/LibGfx/ImageFormats/AVIFLoader.cpp b/Libraries/LibGfx/ImageFormats/AVIFLoader.cpp
index f10030bbccc..1f68fc3c91b 100644
--- a/Libraries/LibGfx/ImageFormats/AVIFLoader.cpp
+++ b/Libraries/LibGfx/ImageFormats/AVIFLoader.cpp
@@ -68,6 +68,11 @@ static ErrorOr<void> decode_avif_header(AVIFLoadingContext& context)
         if (context.decoder == nullptr) {
             return Error::from_string_literal("failed to allocate AVIF decoder");
         }
+
+        // This makes the decoder not error if an item in the file is missing the mandatory pixi property.
+        // Reason for this is that older versions of ImageMagick do not set this property, which leads to
+        // broken web content if the error is not ignored.
+        context.decoder->strictFlags &= ~AVIF_STRICT_PIXI_REQUIRED;
     }
 
     avifResult result = avifDecoderSetIOMemory(context.decoder, context.data.data(), context.data.size());
diff --git a/Tests/LibGfx/test-inputs/avif/missing-pixi-property.avif b/Tests/LibGfx/test-inputs/avif/missing-pixi-property.avif
new file mode 100644
index 00000000000..0c538b1655f
Binary files /dev/null and b/Tests/LibGfx/test-inputs/avif/missing-pixi-property.avif differ