diff --git a/crypto/tests/Makefile b/crypto/tests/Makefile
index 2de5ffa7a..f76c1c0f8 100644
--- a/crypto/tests/Makefile
+++ b/crypto/tests/Makefile
@@ -41,7 +41,7 @@ $(C_FILES): %.c: suites/$$(func.$$*).function suites/%.data scripts/generate_tes
 		-t suites/main_test.function \
 		-p suites/host_test.function \
 		-s suites  \
-		--help-file suites/helpers.function \
+		--helpers-file suites/helpers.function \
 		-o .
 
 
@@ -70,7 +70,7 @@ $(EMBEDDED_TESTS): embedded_%: suites/$$(func.$$*).function suites/%.data script
 		-t suites/main_test.function \
 		-p suites/target_test.function \
 		-s suites  \
-		--help-file suites/helpers.function \
+		--helpers-file suites/helpers.function \
 		-o ./TESTS/mbedcrypto/$*
 
 gen-embedded-test: $(EMBEDDED_TESTS)