diff --git a/src/openrct2/platform/linux.c b/src/openrct2/platform/linux.c
index 13da850a44..4b3952bd06 100644
--- a/src/openrct2/platform/linux.c
+++ b/src/openrct2/platform/linux.c
@@ -320,16 +320,16 @@ static dialog_type get_dialog_app(char *cmd, size_t *cmd_size) {
 bool platform_open_common_file_dialog(utf8 *outFilename, file_dialog_desc *desc, size_t outSize) {
 	sint32 exit_value;
 	char executable[MAX_PATH];
-	char cmd[MAX_PATH];
-	char result[MAX_PATH];
+	char cmd[MAX_COMMAND_LENGTH];
+	char result[MAX_COMMAND_LENGTH];
 	size_t size;
 	dialog_type dtype;
 	char *action = NULL;
 	char *flags = NULL;
-	char filter[MAX_PATH] = { 0 };
+	char filter[MAX_COMMAND_LENGTH] = { 0 };
 	char filterPatternRegex[64];
 
-	size = MAX_PATH;
+	size = MAX_COMMAND_LENGTH;
 	dtype = get_dialog_app(executable, &size);
 
 	switch (dtype) {
@@ -376,7 +376,7 @@ bool platform_open_common_file_dialog(utf8 *outFilename, file_dialog_desc *desc,
 				}
 			}
 
-			snprintf(cmd, MAX_PATH, "%s --title '%s' %s '%s/' ~ '%s'", executable, desc->title, action, desc->initial_directory, filter);
+			snprintf(cmd, MAX_COMMAND_LENGTH, "%s --title '%s' %s '%s/' ~ '%s'", executable, desc->title, action, desc->initial_directory, filter);
 			break;
 		case DT_ZENITY:
 			action = "--file-selection";
@@ -420,12 +420,12 @@ bool platform_open_common_file_dialog(utf8 *outFilename, file_dialog_desc *desc,
 			snprintf(filterTemp, countof(filterTemp), " --file-filter='%s | *'", (char *)language_get_string(STR_ALL_FILES));
 			safe_strcat(filter, filterTemp, countof(filter));
 
-			snprintf(cmd, MAX_PATH, "%s %s --filename='%s/' %s --title='%s' / %s", executable, action, desc->initial_directory, flags, desc->title, filter);
+			snprintf(cmd, MAX_COMMAND_LENGTH, "%s %s --filename='%s/' %s --title='%s' / %s", executable, action, desc->initial_directory, flags, desc->title, filter);
 			break;
 		default: return 0;
 	}
 
-	size = MAX_PATH;
+	size = MAX_COMMAND_LENGTH;
 	execute_cmd(cmd, &exit_value, result, &size);
 
 	if (exit_value != 0) {
@@ -436,17 +436,17 @@ bool platform_open_common_file_dialog(utf8 *outFilename, file_dialog_desc *desc,
 	log_verbose("filename = %s", result);
 
 	if (desc->type == FD_OPEN && access(result, F_OK) == -1) {
-		char msg[MAX_PATH];
+		char msg[MAX_COMMAND_LENGTH];
 
-		snprintf(msg, MAX_PATH, "\"%s\" not found: %s, please choose another file\n", result, strerror(errno));
+		snprintf(msg, MAX_COMMAND_LENGTH, "\"%s\" not found: %s, please choose another file\n", result, strerror(errno));
 		platform_show_messagebox(msg);
 
 		return platform_open_common_file_dialog(outFilename, desc, outSize);
 	} else
 	if (desc->type == FD_SAVE && access(result, F_OK) != -1 && dtype == DT_KDIALOG) {
-		snprintf(cmd, MAX_PATH, "%s --yesno \"Overwrite %s?\"", executable, result);
+		snprintf(cmd, MAX_COMMAND_LENGTH, "%s --yesno \"Overwrite %s?\"", executable, result);
 
-		size = MAX_PATH;
+		size = MAX_COMMAND_LENGTH;
 		execute_cmd(cmd, &exit_value, 0, 0);
 
 		if (exit_value != 0) {
@@ -463,25 +463,25 @@ utf8 *platform_open_directory_browser(utf8 *title) {
 	size_t size;
 	dialog_type dtype;
 	sint32 exit_value;
-	char cmd[MAX_PATH];
+	char cmd[MAX_COMMAND_LENGTH];
 	char executable[MAX_PATH];
-	char result[MAX_PATH];
+	char result[MAX_COMMAND_LENGTH];
 	char *return_value;
 
-	size = MAX_PATH;
+	size = MAX_COMMAND_LENGTH;
 	dtype = get_dialog_app(executable, &size);
 
 	switch (dtype) {
 		case DT_KDIALOG:
-			snprintf(cmd, MAX_PATH, "%s --title '%s' --getexistingdirectory /", executable, title);
+			snprintf(cmd, MAX_COMMAND_LENGTH, "%s --title '%s' --getexistingdirectory /", executable, title);
 			break;
 		case DT_ZENITY:
-			snprintf(cmd, MAX_PATH, "%s --title='%s' --file-selection --directory /", executable, title);
+			snprintf(cmd, MAX_COMMAND_LENGTH, "%s --title='%s' --file-selection --directory /", executable, title);
 			break;
 		default: return 0;
 	}
 
-	size = MAX_PATH;
+	size = MAX_COMMAND_LENGTH;
 	execute_cmd(cmd, &exit_value, result, &size);
 
 	if (exit_value != 0) {
@@ -498,27 +498,27 @@ utf8 *platform_open_directory_browser(utf8 *title) {
 void platform_show_messagebox(const char * message) {
 	size_t size;
 	dialog_type dtype;
-	char cmd[MAX_PATH];
+	char cmd[MAX_COMMAND_LENGTH];
 	char executable[MAX_PATH];
 
 	log_verbose(message);
 
-	size = MAX_PATH;
+	size = MAX_COMMAND_LENGTH;
 	dtype = get_dialog_app(executable, &size);
 
 	switch (dtype) {
 		case DT_KDIALOG:
-			snprintf(cmd, MAX_PATH, "%s --title \"OpenRCT2\" --msgbox \"%s\"", executable, message);
+			snprintf(cmd, MAX_COMMAND_LENGTH, "%s --title \"OpenRCT2\" --msgbox \"%s\"", executable, message);
 			break;
 		case DT_ZENITY:
-			snprintf(cmd, MAX_PATH, "%s --title=\"OpenRCT2\" --info --text=\"%s\"", executable, message);
+			snprintf(cmd, MAX_COMMAND_LENGTH, "%s --title=\"OpenRCT2\" --info --text=\"%s\"", executable, message);
 			break;
 		default:
 			SDL_ShowSimpleMessageBox(SDL_MESSAGEBOX_WARNING, "OpenRCT2", message, gWindow);
 			return;
 	}
 
-	size = MAX_PATH;
+	size = MAX_COMMAND_LENGTH;
 	execute_cmd(cmd, 0, 0, 0);
 }
 
diff --git a/src/openrct2/platform/platform.h b/src/openrct2/platform/platform.h
index 29a81740b7..c1b0e755dc 100644
--- a/src/openrct2/platform/platform.h
+++ b/src/openrct2/platform/platform.h
@@ -35,6 +35,10 @@
 #define MAX_PATH 260
 #endif
 
+#ifndef MAX_COMMAND_LENGTH
+#define MAX_COMMAND_LENGTH 512
+#endif
+
 #ifdef __MACOSX__
 #define KEYBOARD_PRIMARY_MODIFIER KMOD_GUI
 #else