diff --git a/src/keel/asset.cpp b/src/keel/asset.cpp
index 913f66af..a698d257 100644
--- a/src/keel/asset.cpp
+++ b/src/keel/asset.cpp
@@ -12,11 +12,11 @@ ox::Result<ox::UUID> readUuidHeader(const ox::Buffer &buff) noexcept {
 
 ox::Result<ox::UUID> readUuidHeader(const char *buff, std::size_t buffLen) noexcept {
 	if (buffLen < K1HdrSz) {
-		return OxError(1, "Insufficient data to contain complete Nostalgia header");
+		return OxError(1, "Insufficient data to contain complete Keel header");
 	}
 	constexpr ox::StringView k1Hdr = "K1;";
-	if (k1Hdr == buff) {
-		return OxError(2, "No Nostalgia asset header data");
+	if (k1Hdr != ox::StringView(buff, k1Hdr.bytes())) {
+		return OxError(2, "No Keel asset header data");
 	}
 	return ox::UUID::fromString(ox::StringView(buff + k1Hdr.bytes(), 36));
 }