diff --git a/tests/valid/string/start-mb.json b/tests/valid/string/start-mb.json
new file mode 100644
index 0000000..523dacc
--- /dev/null
+++ b/tests/valid/string/start-mb.json
@@ -0,0 +1,9 @@
+{
+    "s1": {"type": "string", "value": "§"},
+    "s2": {"type": "string", "value": "§"},
+    "s3": {"type": "string", "value": "§"},
+    "s4": {"type": "string", "value": "§"},
+    "s5": {"type": "string", "value": "§"},
+    "s6": {"type": "string", "value": "§"},
+    "s7": {"type": "string", "value": "§"}
+}
diff --git a/tests/valid/string/start-mb.toml b/tests/valid/string/start-mb.toml
new file mode 100644
index 0000000..2576f1b
--- /dev/null
+++ b/tests/valid/string/start-mb.toml
@@ -0,0 +1,13 @@
+# Start first line with a multibyte character.
+#
+# https://github.com/marzer/tomlplusplus/issues/190
+s1 = "§"
+s2 = '§'
+s3 = """\
+§"""
+s4 = """
+§"""
+s5 = """§"""
+s6 = '''
+§'''
+s7 = '''§'''
diff --git a/toml_test.go b/toml_test.go
index 9aa6fa8..5331638 100644
--- a/toml_test.go
+++ b/toml_test.go
@@ -138,8 +138,8 @@ func TestSize(t *testing.T) {
 			return nil
 		}
 
-		if inf.Size() > 1024 {
-			t.Errorf("larger than 1K: %s (%fK)", path, float64(inf.Size())/1024)
+		if inf.Size() > 2048 {
+			t.Errorf("larger than 2K: %s (%fK)", path, float64(inf.Size())/1024)
 		}
 		return nil
 	})