diff --git a/lib/cppcheck.cpp b/lib/cppcheck.cpp
index cafbf152500..dce67605121 100644
--- a/lib/cppcheck.cpp
+++ b/lib/cppcheck.cpp
@@ -203,6 +203,8 @@ static void createDumpFile(const Settings& settings,
           << " long_bit=\"" << settings.platform.long_bit << '\"'
           << " long_long_bit=\"" << settings.platform.long_long_bit << '\"'
           << " pointer_bit=\"" << (settings.platform.sizeof_pointer * settings.platform.char_bit) << '\"'
+          << " wchar_t_bit=\"" << (settings.platform.sizeof_wchar_t * settings.platform.char_bit) << '\"'
+          << " size_t_bit=\"" << (settings.platform.sizeof_size_t * settings.platform.char_bit) << '\"'
           << "/>" << '\n';
 }
 
diff --git a/test/cli/other_test.py b/test/cli/other_test.py
index a133875ea3c..829e9f2c7d7 100644
--- a/test/cli/other_test.py
+++ b/test/cli/other_test.py
@@ -2261,3 +2261,18 @@ def test_ignore_project_2(tmpdir):
     exitcode, stdout, _ = cppcheck(args, cwd=tmpdir)
     assert exitcode == 1, stdout
     assert stdout.splitlines() == lines_exp
+
+
+def test_dumpfile_platform(tmpdir):
+    test_file = os.path.join(tmpdir, 'test.c')
+    with open(test_file, 'wt') as f:
+        f.write('x=1;\n')
+    cppcheck('--dump --platform=unix64 test.c'.split(), cwd=tmpdir)
+    platform = ''
+    with open(test_file + '.dump', 'rt') as f:
+        for line in f:
+            if line.find('<platform name="') > 0:
+                platform = line.strip()
+                break
+    assert ' wchar_t_bit="' in platform
+    assert ' size_t_bit="' in platform