diff --git a/src/openrct2/interface/window.c b/src/openrct2/interface/window.c
index d092209776..18b8aa19b0 100644
--- a/src/openrct2/interface/window.c
+++ b/src/openrct2/interface/window.c
@@ -42,7 +42,7 @@ rct_window * gWindowAudioExclusive;
 
 uint16 TextInputDescriptionArgs[4];
 widget_identifier gCurrentTextBox = { { 255, 0 }, 0 };
-char gTextBoxInput[512] = { 0 };
+char gTextBoxInput[1024] = { 0 };
 sint32 gMaxTextBoxInputLength = 0;
 sint32 gTextBoxFrameNo = 0;
 bool gUsingWidgetTextBox = 0;
diff --git a/src/openrct2/interface/window.h b/src/openrct2/interface/window.h
index 288bdedbf2..44e7f8ae67 100644
--- a/src/openrct2/interface/window.h
+++ b/src/openrct2/interface/window.h
@@ -35,7 +35,7 @@ struct track_design_file_ref;
 struct TitleSequence;
 
 extern uint16 TextInputDescriptionArgs[4];
-extern char gTextBoxInput[512];
+extern char gTextBoxInput[1024];
 extern sint32 gMaxTextBoxInputLength;
 extern sint32 gTextBoxFrameNo;
 extern bool gUsingWidgetTextBox;