diff --git a/freetype/src/freetype/Face.zig b/freetype/src/freetype/Face.zig
index 04388b01..e1dc9169 100644
--- a/freetype/src/freetype/Face.zig
+++ b/freetype/src/freetype/Face.zig
@@ -139,10 +139,9 @@ pub fn getTrackKerning(self: Face, point_size: i32, degree: i32) Error!i32 {
     return kerning;
 }
 
-pub fn getGlyphName(self: Face, index: u32) Error![]const u8 {
-    var name_buf: [30]u8 = undefined;
-    try intToError(c.FT_Get_Glyph_Name(self.handle, index, &name_buf, 30));
-    return std.mem.sliceTo(&name_buf, 0);
+pub fn getGlyphName(self: Face, index: u32, name_buf: *[30]u8) Error![]const u8 {
+    try intToError(c.FT_Get_Glyph_Name(self.handle, index, name_buf, 30));
+    return std.mem.sliceTo(name_buf, 0);
 }
 
 pub fn getPostscriptName(self: Face) ?[:0]const u8 {
diff --git a/freetype/test/main.zig b/freetype/test/main.zig
index 55b65671..b92d5a6b 100644
--- a/freetype/test/main.zig
+++ b/freetype/test/main.zig
@@ -74,5 +74,6 @@ test "get name index" {
 test "get index name" {
     const lib = try freetype.Library.init();
     const face = try lib.newFace(firasnas_font_path, 0);
-    try testing.expectEqualStrings("summation", try face.getGlyphName(1120));
+    var name_buf: [30]u8 = undefined;
+    try testing.expectEqualStrings("summation", try face.getGlyphName(1120, &name_buf));
 }