diff --git a/mtp/mtp_MtpDatabase.cpp b/mtp/mtp_MtpDatabase.cpp
index 17053f1..5eb7d8e 100755
--- a/mtp/mtp_MtpDatabase.cpp
+++ b/mtp/mtp_MtpDatabase.cpp
@@ -836,8 +836,8 @@
 
 			// get current value
 			// TODO: add actual values
-			result->setCurrentValue('\0');
-			result->setDefaultValue('\0');
+			result->setCurrentValue(0);
+			result->setDefaultValue(0);
 			break;
 		}
 
diff --git a/mtp/twrpMtp.cpp b/mtp/twrpMtp.cpp
index d47b8fa..2b2de01 100755
--- a/mtp/twrpMtp.cpp
+++ b/mtp/twrpMtp.cpp
@@ -68,7 +68,7 @@
 }
 #endif //def TWRPMTP
 
-twrpMtp::twrpMtp(int debug_enabled = 0) {
+twrpMtp::twrpMtp(int debug_enabled) {
 	if (debug_enabled)
 		MtpDebug::enableDebug();
 	mtpstorages = new storages;
diff --git a/mtp/twrpMtp.hpp b/mtp/twrpMtp.hpp
index ec7cd4b..9ad270c 100755
--- a/mtp/twrpMtp.hpp
+++ b/mtp/twrpMtp.hpp
@@ -33,7 +33,7 @@
 
 class twrpMtp {
 	public:
-		twrpMtp(int debug_enabled /* = 0 */);
+		twrpMtp(int debug_enabled = 0);
 		pthread_t threadserver(void);
 		pid_t forkserver(int mtppipe[2]);
 		void addStorage(std::string display, std::string path, int mtpid, uint64_t maxFileSize);