diff --git a/meson.build b/meson.build
index 2f19d99..04b8094 100644
--- a/meson.build
+++ b/meson.build
@@ -12,6 +12,13 @@
     ],
 )
 
+add_global_arguments(
+    '-DLIBCPER_JSON_SPEC="'
+    + meson.current_source_dir()
+    + '/specification/json/cper-json.json"',
+    language: ['c', 'cpp'],
+)
+
 library_is_share = get_option('default_library') == 'shared'
 
 project_description = 'libcper library'
@@ -140,13 +147,6 @@
     )
 endif
 
-run_command('cp', '-r', 'specification/json/', meson.current_build_dir(), check: true)
-run_command(
-    'mv',
-    meson.current_build_dir() / 'json',
-    meson.current_build_dir() / 'specification',
-)
-
 if get_option('tests').allowed()
     subdir('tests')
-endif
+endif
\ No newline at end of file
diff --git a/tests/ir-tests.cpp b/tests/ir-tests.cpp
index 6da285b..e8db79f 100644
--- a/tests/ir-tests.cpp
+++ b/tests/ir-tests.cpp
@@ -41,8 +41,8 @@
 
 	//Validate against schema.
 	char error_message[JSON_ERROR_MSG_MAX_LEN] = { 0 };
-	int valid = validate_schema_from_file("./specification/cper-json.json",
-					      ir, error_message);
+	int valid =
+		validate_schema_from_file(LIBCPER_JSON_SPEC, ir, error_message);
 	json_object_put(ir);
 	ASSERT_TRUE(valid)
 		<< "IR validation test failed (single section mode = "
diff --git a/tests/meson.build b/tests/meson.build
index 87dcf51..4cecdbd 100644
--- a/tests/meson.build
+++ b/tests/meson.build
@@ -27,13 +27,6 @@
 
 test_include_dirs = ['.', '..']
 
-run_command('cp', '-r', '../specification/json/', meson.current_build_dir())
-run_command(
-    'mv',
-    meson.current_build_dir() / 'json',
-    meson.current_build_dir() / 'specification',
-)
-
 cper_tests = executable(
     'cper-tests',
     sources,