diff --git a/components/mbedtls/Makefile.projbuild b/components/mbedtls/Makefile.projbuild
index ec9d6f2ce7..cf49f9a1d5 100644
--- a/components/mbedtls/Makefile.projbuild
+++ b/components/mbedtls/Makefile.projbuild
@@ -2,3 +2,7 @@
 # alternative config file
 CPPFLAGS += -DMBEDTLS_CONFIG_FILE='"mbedtls/esp_config.h"'
 
+# Catch usage of deprecated mbedTLS functions when building tests
+ifneq ("$(TEST_COMPONENTS_LIST)","")
+CPPFLAGS += -DMBEDTLS_DEPRECATED_WARNING
+endif