diff --git a/Userland/Libraries/LibGfx/ImageFormats/TGALoader.cpp b/Userland/Libraries/LibGfx/ImageFormats/TGALoader.cpp
index afd825f62b..888efe7c0a 100644
--- a/Userland/Libraries/LibGfx/ImageFormats/TGALoader.cpp
+++ b/Userland/Libraries/LibGfx/ImageFormats/TGALoader.cpp
@@ -195,8 +195,7 @@ ErrorOr<void> TGAImageDecoderPlugin::decode_tga_header()
 
     auto bytes_remaining = reader->data().size() - reader->index();
 
-    // FIXME: Check for multiplication overflow!
-    if (m_context->header.data_type_code == TGADataType::UncompressedRGB && bytes_remaining < static_cast<size_t>(m_context->header.width * m_context->header.height * (m_context->header.bits_per_pixel / 8)))
+    if (m_context->header.data_type_code == TGADataType::UncompressedRGB && bytes_remaining < static_cast<u64>(m_context->header.width) * m_context->header.height * (m_context->header.bits_per_pixel / 8))
         return Error::from_string_literal("Not enough data to read an image with the expected size");
 
     if (m_context->header.bits_per_pixel < 8 || m_context->header.bits_per_pixel > 32)
@@ -210,8 +209,7 @@ ErrorOr<bool> TGAImageDecoderPlugin::validate_before_create(ReadonlyBytes data)
     if (data.size() < sizeof(TGAHeader))
         return false;
     TGAHeader const& header = *reinterpret_cast<TGAHeader const*>(data.data());
-    // FIXME: Check for multiplication overflow!
-    if (header.data_type_code == TGADataType::UncompressedRGB && data.size() < static_cast<size_t>(header.width * header.height * (header.bits_per_pixel / 8)))
+    if (header.data_type_code == TGADataType::UncompressedRGB && data.size() < static_cast<u64>(header.width) * header.height * (header.bits_per_pixel / 8))
         return false;
     if (header.bits_per_pixel < 8 || header.bits_per_pixel > 32)
         return false;