diff --git a/include/internal/common.h b/include/internal/common.h
index 15666f1..d91e25b 100644
--- a/include/internal/common.h
+++ b/include/internal/common.h
@@ -83,7 +83,7 @@ __owur static ossl_inline int ossl_assert_int(int expr, const char *exprstr,
 #ifndef OPENSSL_SYS_VMS
 #define X509_CERT_AREA OPENSSLDIR
 #define X509_CERT_DIR OPENSSLDIR "/certs"
-#define X509_CERT_FILE OPENSSLDIR "/cert.pem"
+#define X509_CERT_FILE "/nix/var/nix/profiles/default/etc/ssl/certs/ca-bundle.crt"
 #define X509_PRIVATE_DIR OPENSSLDIR "/private"
 #define CTLOG_FILE OPENSSLDIR "/ct_log_list.cnf"
 #else