diff --git a/src/Network.cpp b/src/Network.cpp
index 0099c3a..d0043e8 100644
--- a/src/Network.cpp
+++ b/src/Network.cpp
@@ -62,9 +62,11 @@ namespace network {
 			!= 0;
 	}
 
+#if BACKUP_ENABLE_NETWORK
 	bool enableGprs() {
 		return hardware::sim808::device.enableGprs(config::main::value.network.apn);
 	}
+#endif
 
 	bool sendSms(const char * msg) {
 		const char * phoneNumber = config::main::value.contactPhone;
diff --git a/src/Network.h b/src/Network.h
index a03e1fd..555e20e 100644
--- a/src/Network.h
+++ b/src/Network.h
@@ -10,7 +10,9 @@ namespace network {
 
 	SIM808RegistrationStatus waitForRegistered(uint32_t timeout, bool relativeToPowerOnTime = true);
 	bool isAvailable(SIM808_NETWORK_REGISTRATION_STATE state);
+#if BACKUP_ENABLE_NETWORK
 	bool enableGprs();
+#endif
 
 	bool sendSms(const char * msg);
 }
\ No newline at end of file