diff --git a/matlab/src/matlab/+arrow/+io/+csv/TableReader.m b/matlab/src/matlab/+arrow/+io/+csv/TableReader.m
index 6e9d925b6bc50..1e0308bb8d4fe 100644
--- a/matlab/src/matlab/+arrow/+io/+csv/TableReader.m
+++ b/matlab/src/matlab/+arrow/+io/+csv/TableReader.m
@@ -29,7 +29,7 @@
 
         function obj = TableReader(filename)
             arguments
-                filename(1, 1) {mustBeNonmissing, mustBeNonzeroLengthText}
+                filename (1, 1) string {mustBeNonmissing, mustBeNonzeroLengthText}
             end
 
             args = struct(Filename=filename);
diff --git a/matlab/src/matlab/+arrow/+io/+csv/TableWriter.m b/matlab/src/matlab/+arrow/+io/+csv/TableWriter.m
index 351426b1d1504..79e3c3efe2f7f 100644
--- a/matlab/src/matlab/+arrow/+io/+csv/TableWriter.m
+++ b/matlab/src/matlab/+arrow/+io/+csv/TableWriter.m
@@ -27,7 +27,7 @@
     methods
         function obj = TableWriter(filename)
             arguments
-                filename(1, 1) {mustBeNonmissing, mustBeNonzeroLengthText}
+                filename (1, 1) string {mustBeNonmissing, mustBeNonzeroLengthText}
             end
 
             args = struct(Filename=filename);
diff --git a/matlab/test/arrow/io/csv/tError.m b/matlab/test/arrow/io/csv/tError.m
index c904393a16659..5961616a74da3 100644
--- a/matlab/test/arrow/io/csv/tError.m
+++ b/matlab/test/arrow/io/csv/tError.m
@@ -18,7 +18,7 @@
 
     methods(Test)
 
-        function EmptyCsvFile(testCase)
+        function EmptyFile(testCase)
             import arrow.io.csv.*
 
             arrowTableWrite = arrow.table();
@@ -31,6 +31,22 @@ function EmptyCsvFile(testCase)
             testCase.verifyError(fcn, "arrow:io:csv:FailedToReadTable");
         end
 
+        function InvalidWriterFilenameType(testCase)
+            import arrow.io.csv.*
+            fcn = @() TableWriter(table);
+            testCase.verifyError(fcn, "MATLAB:validation:UnableToConvert");
+            fcn = @() TableWriter(["a", "b"]);
+            testCase.verifyError(fcn, "MATLAB:validation:IncompatibleSize");
+        end
+
+        function InvalidReaderFilenameType(testCase)
+            import arrow.io.csv.*
+            fcn = @() TableReader(table);
+            testCase.verifyError(fcn, "MATLAB:validation:UnableToConvert");
+            fcn = @() TableReader(["a", "b"]);
+            testCase.verifyError(fcn, "MATLAB:validation:IncompatibleSize");
+        end
+
     end
 
 end
\ No newline at end of file