1 files changed, 2 insertions, 1 deletions

diff --git a/arch/mips/au1000/common/prom.c b/arch/mips/au1000/common/prom.c
index 22e5a85af4d5..9c171afd9a53 100644
--- a/arch/mips/au1000/common/prom.c
+++ b/arch/mips/au1000/common/prom.c
@@ -75,7 +75,8 @@ void  prom_init_cmdline(void)
         }
         if (cp != &(arcs_cmdline[0])) /* get rid of trailing space */
                 --cp;
-        *cp = '\0';
+        if (prom_argc > 1)
+                *cp = '\0';
 
 }