diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 270644a97d2cfa39ae07e9c3541472cf32423851..a6c09acde85c6b729705273b1855858d25063aa5 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,7 @@
+2020-02-18  Jon Beniston <jon@beniston.com>
+
+	* gcc.dg/strcmpopt_6.c: Add space in array for terminator.
+
 2020-02-18  Mark Eggleston <markeggleston@gcc.gnu.org>
 
 	PR fortran/93714
diff --git a/gcc/testsuite/gcc.dg/strcmpopt_6.c b/gcc/testsuite/gcc.dg/strcmpopt_6.c
index cb99294e5faa67c862cf6b1d6d3b3040d7f6cea5..06b7e3480dbb473b8a5910e134231af6ca2417fa 100644
--- a/gcc/testsuite/gcc.dg/strcmpopt_6.c
+++ b/gcc/testsuite/gcc.dg/strcmpopt_6.c
@@ -33,7 +33,7 @@ test_strlen_lt6_strcmp_abcd (const char *s)
 __attribute__ ((noclone, noinline)) int
 test_strcpy_strcmp_abc (const char *s)
 {
-  char a[4];
+  char a[5];
   strcpy (a, s);
   return strcmp (a, "abc") == 0;
 }