diff --git a/src/config.h b/src/config.h
index 6fccd9fecb97005300efe6dd6bd0dd9b07e1e934..f18b9efb64e4531ee5967ac4e422053c54095c51 100644
--- a/src/config.h
+++ b/src/config.h
@@ -9,7 +9,7 @@
 /*
  * Define the evaluator stack size, used for just about everything.
  */
-#define EVALUATOR_STACK_SIZE	50000
+#define EVALUATOR_STACK_SIZE	100000
 
 /*
  * The compiler stack is used when compiling to keep track of data.