diff --git a/dlls/crypt32/tests/store.c b/dlls/crypt32/tests/store.c
index 46c9102686d..852cedaa1fe 100644
--- a/dlls/crypt32/tests/store.c
+++ b/dlls/crypt32/tests/store.c
@@ -3038,7 +3038,7 @@ static void test_I_UpdateStore(void)
     CertCloseStore(store2, 0);
 }
 
-const BYTE pfxdata[] =
+static const BYTE pfxdata[] =
 {
   0x30, 0x82, 0x0b, 0x1d, 0x02, 0x01, 0x03, 0x30, 0x82, 0x0a, 0xe3, 0x06,
   0x09, 0x2a, 0x86, 0x48, 0x86, 0xf7, 0x0d, 0x01, 0x07, 0x01, 0xa0, 0x82,