diff --git a/deployments/psa-api-test/crypto/crypto-api-test.cmake b/deployments/psa-api-test/crypto/crypto-api-test.cmake
index 47e42c7..aecf791 100644
--- a/deployments/psa-api-test/crypto/crypto-api-test.cmake
+++ b/deployments/psa-api-test/crypto/crypto-api-test.cmake
@@ -15,9 +15,9 @@
 #  Extend the arch test build configuration to include tests missing from the
 #  default configuration.
 #-------------------------------------------------------------------------------
-#set(TS_ARCH_TEST_EXTERNAL_DEFS
-#	-DCRYPTO_1_0
-#	CACHE STRING "Arch test external defines")
+set(TS_ARCH_TEST_EXTERNAL_DEFS
+	-DCRYPTO_1_0
+	CACHE STRING "Arch test external defines")
 
 #-------------------------------------------------------------------------------
 #  The arch test build system puts its build output under a test suite specific