diff --git a/Userland/Libraries/LibGL/GLContext.cpp b/Userland/Libraries/LibGL/GLContext.cpp
index 4b6e8ae3f45..49510ea0e2e 100644
--- a/Userland/Libraries/LibGL/GLContext.cpp
+++ b/Userland/Libraries/LibGL/GLContext.cpp
@@ -952,7 +952,7 @@ ErrorOr<ByteBuffer> GLContext::build_extension_string()
     TRY(string_builder.try_join(' ', extensions));
 
     // Create null-terminated string
-    auto extensions_bytes = string_builder.to_byte_buffer();
+    auto extensions_bytes = TRY(string_builder.try_to_byte_buffer());
     TRY(extensions_bytes.try_append(0));
     return extensions_bytes;
 }