diff --git a/NexNumber.cpp b/NexNumber.cpp
index 86217cb7..0ce6211b 100755
--- a/NexNumber.cpp
+++ b/NexNumber.cpp
@@ -28,12 +28,12 @@ bool NexNumber::getValue(uint32_t *number)
     return recvRetNumber(number);
 }
 
-bool NexNumber::setValue(uint32_t number)
+bool NexNumber::setValue(int32_t number)
 {
     char buf[10] = {0};
     String cmd;
     
-    utoa(number, buf, 10);
+    itoa(number, buf, 10);
     cmd += getObjName();
     cmd += ".val=";
     cmd += buf;
@@ -263,4 +263,4 @@ bool NexNumber::Set_background_image_pic(uint32_t number)
     cmd += getObjName();
     sendCommand(cmd.c_str());
     return recvRetCommandFinished();
-}
\ No newline at end of file
+}
diff --git a/NexNumber.h b/NexNumber.h
index 5f227904..5827ccb2 100755
--- a/NexNumber.h
+++ b/NexNumber.h
@@ -49,7 +49,7 @@ class NexNumber: public NexTouch
      * @param number - number buffer. 
      * @return true if success, false for failure. 
      */
-    bool setValue(uint32_t number);
+    bool setValue(int32_t number);
 	
     /**
      * Get bco attribute of component