diff --git a/core/relinker/relinker/include/relinker/guest/GuestImage.hpp b/core/relinker/relinker/include/relinker/guest/GuestImage.hpp
index a71a33289..71cca90fa 100644
--- a/core/relinker/relinker/include/relinker/guest/GuestImage.hpp
+++ b/core/relinker/relinker/include/relinker/guest/GuestImage.hpp
@@ -7,6 +7,8 @@
 
 namespace Relinker {
 
+inline constexpr char GuestModuleSuffix[] = ".guest.prx";
+
 struct GuestSymbol {
     std::string Name;
     std::uint8_t Info;
diff --git a/core/relinker/relinker/src/guest/GuestImageReader.cpp b/core/relinker/relinker/src/guest/GuestImageReader.cpp
index 5b3a8abc8..d0e2afb41 100644
--- a/core/relinker/relinker/src/guest/GuestImageReader.cpp
+++ b/core/relinker/relinker/src/guest/GuestImageReader.cpp
@@ -27,7 +27,7 @@ GuestImage GuestImageReader::Read(const std::filesystem::path& path, std::vector
     range(Io::ReadU64(bytes, 32), static_cast<std::uint64_t>(Io::ReadU16(bytes, 56)) * 56);
     GuestImage image;
     image.SourcePath = path;
-    image.OutputName = path.filename().string() + ".guest.prx";
+    image.OutputName = path.filename().string() + GuestModuleSuffix;
     image.Headers = ElfReader(bytes).ReadProgramHeaders();
     const Domain::ProgramHeader* dynamic = nullptr;
     const Domain::ProgramHeader* dynlib = nullptr;
diff --git a/core/relinker/relinker/src/guest/GuestModuleBuilder.cpp b/core/relinker/relinker/src/guest/GuestModuleBuilder.cpp
index c461ffb3c..f8fd3e803 100644
--- a/core/relinker/relinker/src/guest/GuestModuleBuilder.cpp
+++ b/core/relinker/relinker/src/guest/GuestModuleBuilder.cpp
@@ -26,6 +26,7 @@ std::vector<GuestArtifact> GuestModuleBuilder::Build(const std::filesystem::path
     if (!std::filesystem::is_directory(directory)) throw Domain::RelinkerException("Guest module path is not a directory: " + directory.string());
     std::vector<std::filesystem::path> paths;
     for (const auto& entry : std::filesystem::directory_iterator(directory)) {
+        if (entry.path().filename().string().ends_with(GuestModuleSuffix)) continue;
         if (!entry.is_regular_file()) continue;
         std::ifstream stream(entry.path(), std::ios::binary);
         if (!stream) throw Domain::RelinkerException("Cannot read guest candidate: " + entry.path().string());