diff --git a/Cantera/src/CVodesIntegrator.cpp b/Cantera/src/CVodesIntegrator.cpp
index c0d9ee6c1..b08806560 100644
--- a/Cantera/src/CVodesIntegrator.cpp
+++ b/Cantera/src/CVodesIntegrator.cpp
@@ -4,6 +4,7 @@
  */
 
 // Copyright 2001  California Institute of Technology
+#include "config.h"
 
 #include "CVodesIntegrator.h"
 #include "stringUtils.h"