diff --git a/package/libiec61850/libiec61850.mk b/package/libiec61850/libiec61850.mk
index 4b61e40c6d..a3cfb74b03 100644
--- a/package/libiec61850/libiec61850.mk
+++ b/package/libiec61850/libiec61850.mk
@@ -15,4 +15,11 @@ LIBIEC61850_CONF_OPTS = -DBUILD_PYTHON_BINDINGS=OFF
 # https://github.com/mz-automation/libiec61850/issues/442
 LIBIEC61850_IGNORE_CVES += CVE-2023-27772
 
+ifeq ($(BR2_PACKAGE_MBEDTLS),y)
+LIBIEC61850_DEPENDENCIES += mbedtls
+LIBIEC61850_CONF_OPTS += -DCONFIG_USE_EXTERNAL_MBEDTLS_DYNLIB=ON
+else
+LIBIEC61850_CONF_OPTS += -DCONFIG_USE_EXTERNAL_MBEDTLS_DYNLIB=OFF
+endif
+
 $(eval $(cmake-package))