diff --git a/compiler-rt/test/builtins/Unit/atomic_test.c b/compiler-rt/test/builtins/Unit/atomic_test.c
index f8281f364937..346c9b3be55a 100644
--- a/compiler-rt/test/builtins/Unit/atomic_test.c
+++ b/compiler-rt/test/builtins/Unit/atomic_test.c
@@ -144,7 +144,7 @@ typedef uint64_t maxuint_t;
 
 #define LEN(array) (sizeof(array) / sizeof(array[0]))
 
-__attribute__((aligned(16))) static const char data[] = {
+__attribute__((aligned(16))) static char data[] = {
     0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
     0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f,
     0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27,