diff --git a/src/duckstation-regtest/regtest_host.cpp b/src/duckstation-regtest/regtest_host.cpp
index 98af6f4bd..f297f9308 100644
--- a/src/duckstation-regtest/regtest_host.cpp
+++ b/src/duckstation-regtest/regtest_host.cpp
@@ -118,7 +118,7 @@ bool RegTestHost::InitializeConfig()
   EmuFolders::EnsureFoldersExist();
 
   // imgui setup, make sure it doesn't bug out
-  ImGuiManager::SetFontPathAndRange(std::string(), {0x0020, 0x00FF});
+  ImGuiManager::SetFontPathAndRange(std::string(), {0x0020, 0x00FF, 0, 0});
 
   return true;
 }