diff --git a/source/MaterialXGraphEditor/Main.cpp b/source/MaterialXGraphEditor/Main.cpp
index 754d766798..54d99c791b 100644
--- a/source/MaterialXGraphEditor/Main.cpp
+++ b/source/MaterialXGraphEditor/Main.cpp
@@ -199,6 +199,12 @@ int main(int argc, char* const argv[])
     ImGuiIO& io = ImGui::GetIO();
     io.Fonts->AddFontDefault();
 
+    // Set ini and log filename to NULL. This will prevent the automatic creation of imgui.ini
+    // in the same folder as the saved material.
+    // TODO: Consider setting the ini and log file paths to an application directory.
+    io.IniFilename = NULL;
+    io.LogFilename = NULL;
+
     mx::FilePath configPath = getConfigPath();
     if (!configPath.isEmpty())
     {