diff --git a/features/mbedtls/mbed-crypto/platform/TARGET_PSA/mbed_lib.json b/features/mbedtls/mbed-crypto/platform/TARGET_PSA/mbed_lib.json
new file mode 100644
index 0000000000..2addde4c15
--- /dev/null
+++ b/features/mbedtls/mbed-crypto/platform/TARGET_PSA/mbed_lib.json
@@ -0,0 +1,4 @@
+{
+    "name": "mbed-crypto",
+    "macros": ["MBEDTLS_PSA_HAS_ITS_IO"]
+}