diff --git a/simulator/simulator/global.h b/simulator/simulator/global.h
index e5c331cd8c..68a6534050 100644
--- a/simulator/simulator/global.h
+++ b/simulator/simulator/global.h
@@ -52,7 +52,7 @@ extern "C"
 {
 #endif /* __cplusplus */
 
-void printToConsole(char *p);
+void printToConsole(const char *p);
 
 #define getCurrentRemainingStack() getRemainingStack(chThdGetSelfX())