diff --git a/include/common/defaults.h b/include/common/defaults.h
index 0d18281bac..c53db087cf 100644
--- a/include/common/defaults.h
+++ b/include/common/defaults.h
@@ -235,4 +235,7 @@
 #define OCSP_MAX_CERTID_ASN1_LENGTH 128
 #endif
 
+#ifndef OCSP_MAX_RESPONSE_TIME_SKEW
+#define OCSP_MAX_RESPONSE_TIME_SKEW 300
+#endif
 #endif /* _COMMON_DEFAULTS_H */
diff --git a/src/ssl_sock.c b/src/ssl_sock.c
index e0be9cc788..ad4b1caaa3 100644
--- a/src/ssl_sock.c
+++ b/src/ssl_sock.c
@@ -179,7 +179,7 @@ static int ssl_sock_load_ocsp_response(struct chunk *ocsp_response, struct certi
 		goto out;
 	}
 
-	rc = OCSP_check_validity(thisupd, nextupd, 0, -1);
+	rc = OCSP_check_validity(thisupd, nextupd, OCSP_MAX_RESPONSE_TIME_SKEW, -1);
 	if (!rc) {
 		memprintf(err, "OCSP single response: no longer valid.");
 		goto out;