diff --git a/src/PowderToyRenderer.cpp b/src/PowderToyRenderer.cpp
index cf0d0b1b0..2376f95fd 100644
--- a/src/PowderToyRenderer.cpp
+++ b/src/PowderToyRenderer.cpp
@@ -17,6 +17,8 @@
 #include "simulation/Simulation.h"
 
 
+void EngineProcess() {}
+
 void readFile(std::string filename, std::vector<char> & storage)
 {
 	std::ifstream fileStream;