diff --git a/test_conformance/SVM/common.h b/test_conformance/SVM/common.h
index 3da370fa..ab99b7ec 100644
--- a/test_conformance/SVM/common.h
+++ b/test_conformance/SVM/common.h
@@ -22,6 +22,7 @@
 #include "harness/kernelHelpers.h"
 #include "harness/typeWrappers.h"
 #include <vector>
+#include <string>
 
 #if (defined(_WIN32) || defined(_WIN64)) && defined(_MSC_VER)
     #include <windows.h>
@@ -95,7 +96,7 @@ extern int    test_svm_shared_sub_buffers(cl_device_id deviceID, cl_context cont
 extern int    test_svm_enqueue_api(cl_device_id deviceID, cl_context context, cl_command_queue queue, int num_elements);
 extern int    test_svm_migrate(cl_device_id deviceID, cl_context context, cl_command_queue queue, int num_elements);
 
-extern cl_int create_cl_objects(cl_device_id device_from_harness, const char** ppCodeString, cl_context* context, cl_program *program, cl_command_queue *queues, cl_uint *num_devices, cl_device_svm_capabilities required_svm_caps, std::vector<std::string> extensions_list = {});
+extern cl_int create_cl_objects(cl_device_id device_from_harness, const char** ppCodeString, cl_context* context, cl_program *program, cl_command_queue *queues, cl_uint *num_devices, cl_device_svm_capabilities required_svm_caps, std::vector<std::string> extensions_list = std::vector<std::string>());
 
 extern const char *linked_list_create_and_verify_kernels[];