diff --git a/jerry-core/api/generate-bytecode.c b/jerry-core/api/generate-bytecode.c
index 74824b208b832f309287177b4f135e3b12950be8..0725953c091e006a795d71220f9543b7def9baeb 100644
--- a/jerry-core/api/generate-bytecode.c
+++ b/jerry-core/api/generate-bytecode.c
@@ -326,6 +326,7 @@ EXECRES add_directory_to_pending_list(dir_node **end, char* input_file_path) {
  * transform this js file into snapshot.
  */
 EXECRES gen_snapshot(char* input_file_path, char* output_file_path) {
+  RefreshAllServiceTimeStamp();
   jerry_init_flag_t flags = JERRY_INIT_EMPTY;
   jerry_init (flags);
   EXECRES generate_val = EXCE_ACE_JERRY_EXEC_OK;
diff --git a/jerry-core/api/generate-bytecode.h b/jerry-core/api/generate-bytecode.h
index b33dbba7bafcfdca5dfd963535e47ac3844c8287..2994281bfa19c219efaf477a28b6b8d286aad4c0 100644
--- a/jerry-core/api/generate-bytecode.h
+++ b/jerry-core/api/generate-bytecode.h
@@ -53,6 +53,7 @@ void jerry_port_default_remove_current_context_record ();
 
 void jerry_external_context_init(uint32_t heap_size, jerry_context_alloc_t alloc, void *cb_data_p);
 
+void RefreshAllServiceTimeStamp(void);
 #endif  // JERRY_FOR_IAR_CONFIG
 
 #ifdef __cplusplus