diff --git a/sim/main.cc b/sim/main.cc
index d4c31d5f2a..891931c2b8 100644
--- a/sim/main.cc
+++ b/sim/main.cc
@@ -108,7 +108,7 @@ abortHandler(int sigtype)
 }
 
 /// Simulator executable name
-const char *myProgName = "";
+char *myProgName = "";
 
 /// Show brief help message.
 void