diff --git a/DOCS.md b/DOCS.md
index 33e0213..37e3142 100644
--- a/DOCS.md
+++ b/DOCS.md
@@ -80,5 +80,6 @@ int main(void) {
     __create_sig("api_example_key.sig");
     __create_user("api_example_key.sig", "api_example_user.bin", "example.txt");
     __read_user("api_example_key.sig", "api_example_user.bin", "example_out.txt");
+    __api_detach();
 }
 ```
\ No newline at end of file
diff --git a/api_example.c b/api_example.c
index 7b0abe1..e17b905 100644
--- a/api_example.c
+++ b/api_example.c
@@ -6,4 +6,5 @@ int main(void) {
     __create_sig("api_example_key.sig");
     __create_user("api_example_key.sig", "api_example_user.bin", "example.txt");
     __read_user("api_example_key.sig", "api_example_user.bin", "example_out.txt");
+    __api_detach();
 }
diff --git a/vipre-manager.h b/vipre-manager.h
index 7d77758..5eea7b5 100644
--- a/vipre-manager.h
+++ b/vipre-manager.h
@@ -44,6 +44,10 @@ char __YEFWHD_data_type = '\0';
 
 typedef FILE* file_t;
 
+void __api_detach(void) {
+    __YEFWHD_data_type = '\0';
+}
+
 void __set_api_mode(char* login, char* password, char* data_key) {
     __YEFWHD_api_login = login;
     __YEFWHD_api_password = password;