diff --git a/src/rosbags/typesys/idl.py b/src/rosbags/typesys/idl.py
index cd8d3b47..8fee131b 100644
--- a/src/rosbags/typesys/idl.py
+++ b/src/rosbags/typesys/idl.py
@@ -169,7 +169,7 @@ octet_type
 
 string_type
   = 'string' '<' expression '>'
-  / 'string'
+  / 'string\b'
 
 scoped_name
   = identifier '::' scoped_name
diff --git a/tests/test_parse.py b/tests/test_parse.py
index 129f16d2..49e6f1b4 100644
--- a/tests/test_parse.py
+++ b/tests/test_parse.py
@@ -154,6 +154,17 @@ module test_msgs {
 };
 """
 
+IDL_STRINGARRAY = """
+module test_msgs {
+  module msg {
+    typedef string string__3[3];
+    struct Strings {
+        string__3 values;
+    };
+  };
+};
+"""
+
 
 def test_parse_empty_msg() -> None:
     """Test msg parser with empty message."""
@@ -291,6 +302,13 @@ def test_parse_idl() -> None:
     assert fields[0][0] == 'i'
     assert fields[0][1][1] == 'int'
 
+    ret = get_types_from_idl(IDL_STRINGARRAY)
+    consts, fields = ret['test_msgs/msg/Strings']
+    assert consts == []
+    assert len(fields) == 1
+    assert fields[0][0] == 'values'
+    assert fields[0][1] == (Nodetype.ARRAY, ((Nodetype.NAME, 'string'), 3))
+
 
 def test_register_types() -> None:
     """Test type registeration."""