diff --git a/parser_library/CMakeLists.txt b/parser_library/CMakeLists.txt
index bc220b03b..91166ec48 100644
--- a/parser_library/CMakeLists.txt
+++ b/parser_library/CMakeLists.txt
@@ -27,7 +27,7 @@ add_subdirectory(src)
 add_subdirectory(include)
 
 if(NOT BUILD_SHARED_LIBS)
-    target_compile_definitions(parser_library PUBLIC PARSER_LIBRARY_STATIC_DEFINE=1)
+	target_compile_definitions(parser_library PUBLIC PARSER_LIBRARY_STATIC_DEFINE=1)
 endif()
 
 generate_export_header(parser_library
@@ -52,6 +52,4 @@ if(BUILD_TESTING)
 	add_subdirectory(test)
 endif()
 
-if(BUILD_FUZZER)
-	add_subdirectory(fuzzer)
-endif()
+add_subdirectory(fuzzer)
diff --git a/parser_library/fuzzer/CMakeLists.txt b/parser_library/fuzzer/CMakeLists.txt
index 5e477d62e..26d3f0f92 100644
--- a/parser_library/fuzzer/CMakeLists.txt
+++ b/parser_library/fuzzer/CMakeLists.txt
@@ -13,17 +13,20 @@
 
 Project(fuzzer)
 
-add_executable(library_fuzzer)
+if(BUILD_FUZZER)
+	add_executable(library_fuzzer)
+	set_target_properties(library_fuzzer PROPERTIES LINK_FLAGS "-fsanitize=fuzzer")
+else()
+	add_library(library_fuzzer)
+endif()
 
 target_sources(library_fuzzer PRIVATE
-    fuzzer.cpp
+	fuzzer.cpp
 )
 
-set_target_properties(library_fuzzer PROPERTIES LINK_FLAGS "-fsanitize=fuzzer")
-    
 configure_file(
-            fuzzer.dict
-            ${CMAKE_BINARY_DIR}/bin/fuzzer.dict
+			fuzzer.dict
+			${CMAKE_BINARY_DIR}/bin/fuzzer.dict
 			COPYONLY)
 
 target_link_libraries(library_fuzzer parser_library)
@@ -31,4 +34,3 @@ target_link_libraries(library_fuzzer Threads::Threads)
 target_link_libraries(library_fuzzer ${ANTLR4_RUNTIME})
 target_link_libraries(library_fuzzer std::filesystem)
 target_link_libraries(library_fuzzer nlohmann_json::nlohmann_json)
-
diff --git a/parser_library/fuzzer/fuzzer.cpp b/parser_library/fuzzer/fuzzer.cpp
index fe6681bd4..7e0dc1eac 100644
--- a/parser_library/fuzzer/fuzzer.cpp
+++ b/parser_library/fuzzer/fuzzer.cpp
@@ -36,6 +36,8 @@ using namespace hlasm_plugin::parser_library::workspaces;
 
 class fuzzer_lib_provider : public parse_lib_provider
 {
+    using resource_location = hlasm_plugin::utils::resource::resource_location;
+
     std::optional<size_t> read_library_name(std::string_view library) const
     {
         if (library.size() < 2 || library.size() > 8 || library[0] != '@'
@@ -62,26 +64,32 @@ class fuzzer_lib_provider : public parse_lib_provider
             return;
         }
 
-        auto a = std::make_unique<analyzer>(files[lib.value()],
-            analyzer_options { hlasm_plugin::utils::resource::resource_location(library), this, std::move(ctx), data });
+        auto a = std::make_unique<analyzer>(
+            files[lib.value()], analyzer_options { resource_location(library), this, std::move(ctx), data });
         a->analyze();
         a->collect_diags();
         callback(true);
     }
 
-    bool has_library(std::string_view library) const override { return read_library_name(library).has_value(); }
+    bool has_library(std::string_view library, resource_location* url) const override
+    {
+        auto lib = read_library_name(library);
+        if (!lib.has_value())
+            return false;
+        if (url)
+            *url = resource_location(library);
+        return true;
+    }
 
     void get_library(std::string_view library,
-        std::function<void(std::optional<std::pair<std::string, utils::resource::resource_location>>)> callback)
-        const override
+        std::function<void(std::optional<std::pair<std::string, resource_location>>)> callback) const override
     {
         assert(callback);
         auto lib = read_library_name(library);
         if (!lib.has_value())
             return callback(std::nullopt);
 
-        return callback(std::pair<std::string, hlasm_plugin::utils::resource::resource_location>(
-            files[lib.value()], hlasm_plugin::utils::resource::resource_location(library)));
+        return callback(std::pair<std::string, resource_location>(files[lib.value()], resource_location(library)));
     }
 
     std::vector<std::string> files;