diff --git a/apps/aqhome-tool/data/setdata.c b/apps/aqhome-tool/data/setdata.c
index 8116dcc..b6122ab 100644
--- a/apps/aqhome-tool/data/setdata.c
+++ b/apps/aqhome-tool/data/setdata.c
@@ -261,9 +261,9 @@ int _readDouble(const char *s, double *pDouble)
       }
     }
     else if (l>1 && s[0]=='0' && ((tolower(s[1])=='x') || tolower(s[1])=='b')) {
-      unsigned int h;
+      int h;
 
-      if (1==sscanf(s, "%u", &h)) {
+      if (1==sscanf(s, "%i", &h)) {
         *pDouble=(double) h;
         return 0;
       }