diff --git a/test/testautomation_stdlib.c b/test/testautomation_stdlib.c
index 7da8d3068..89245fdcb 100644
--- a/test/testautomation_stdlib.c
+++ b/test/testautomation_stdlib.c
@@ -126,9 +126,9 @@ int
 stdlib_getsetenv(void *arg)
 {
   const int nameLen = 16;
+  char name[17];
   int counter;
   int result;
-  char name[nameLen + 1];
   char * value1;
   char * value2;
   char * expected;