diff --git a/reactos/tools/sysreg/os_support.cpp b/reactos/tools/sysreg/os_support.cpp
index 3ecfc0df822..0f0e84f12f4 100644
--- a/reactos/tools/sysreg/os_support.cpp
+++ b/reactos/tools/sysreg/os_support.cpp
@@ -257,7 +257,7 @@ __inline int gettimeofday(struct timeval *tv, struct timezone *tz)
 		}
 		if (pid == 0)
 		{
-			execv(procname, procargs);
+			execv(procname, (char* const*)procargs);
 			return 0;
 		}
         else