diff --git a/tests/suites/test_suite_ecdh.function b/tests/suites/test_suite_ecdh.function
index bf3411d5b825..cd1b3684c906 100644
--- a/tests/suites/test_suite_ecdh.function
+++ b/tests/suites/test_suite_ecdh.function
@@ -65,6 +65,8 @@ void ecdh_invalid_param( )
     int invalid_side = 42;
     mbedtls_ecp_group_id valid_grp = MBEDTLS_ECP_DP_SECP192R1;
 
+    mbedtls_ecp_keypair_init( &kp );
+    mbedtls_ecdh_init( &ctx );
     TEST_INVALID_PARAM( mbedtls_ecdh_init( NULL ) );
 
 #if defined(MBEDTLS_ECP_RESTARTABLE)
diff --git a/tests/suites/test_suite_ecjpake.function b/tests/suites/test_suite_ecjpake.function
index ab672a8dcb97..2246f2d590ea 100644
--- a/tests/suites/test_suite_ecjpake.function
+++ b/tests/suites/test_suite_ecjpake.function
@@ -110,6 +110,8 @@ void ecjpake_invalid_param( )
     mbedtls_md_type_t valid_md = MBEDTLS_MD_SHA256;
     mbedtls_ecp_group_id valid_group = MBEDTLS_ECP_DP_SECP256R1;
 
+    mbedtls_ecjpake_init( &ctx );
+
     TEST_INVALID_PARAM( mbedtls_ecjpake_init( NULL ) );
     TEST_VALID_PARAM( mbedtls_ecjpake_free( NULL ) );