diff --git a/subsys/net/lib/tls_credentials/CMakeLists.txt b/subsys/net/lib/tls_credentials/CMakeLists.txt
index 490a558953d..9a605e0832b 100644
--- a/subsys/net/lib/tls_credentials/CMakeLists.txt
+++ b/subsys/net/lib/tls_credentials/CMakeLists.txt
@@ -15,3 +15,9 @@ zephyr_library_sources_ifdef(CONFIG_TLS_CREDENTIALS_SHELL
 )
 
 zephyr_library_link_libraries_ifdef(CONFIG_MBEDTLS mbedTLS)
+
+if (CONFIG_TLS_CREDENTIALS_BACKEND_PROTECTED_STORAGE AND CONFIG_BUILD_WITH_TFM)
+  target_include_directories(${ZEPHYR_CURRENT_LIBRARY} PRIVATE
+    $<TARGET_PROPERTY:tfm,TFM_BINARY_DIR>/install/interface/include
+  )
+endif()