diff --git a/R/readGENEActiv.R b/R/readGENEActiv.R
index 941f211..c960482 100644
--- a/R/readGENEActiv.R
+++ b/R/readGENEActiv.R
@@ -1,9 +1,9 @@
-readGENEActiv = function(filename, start = 0, end = 0, progress_bar = FALSE, 
+readGENEActiv = function(filename, start = 0, end = 0, progress_bar = FALSE,
                          desiredtz = "", configtz = NULL) {
-  
+
   # Extract information from the fileheader
   suppressWarnings({fh = readLines(filename, 69)})
-  
+
   SN = gsub(pattern = "Device Unique Serial Code:", replacement = "",
             x = fh[grep(pattern = "Device Unique Serial Code", x = fh)[1]])
   firmware = gsub(pattern = "Device Firmware Version:", replacement = "",
@@ -17,30 +17,30 @@ readGENEActiv = function(filename, start = 0, end = 0, progress_bar = FALSE,
   # when battery runs out prior to end of recording
   starttime = gsub(pattern = "Page Time:", replacement = "",
                    x = fh[grep(pattern = "Page Time", x = fh)[1]])
-  
+
   tzone = gsub(pattern = "Time Zone:", replacement = "",
                x = fh[grep(pattern = "Time Zone", x = fh)[1]])
   tzone = as.numeric(unlist(strsplit(tzone, "[:]| "))[2]) * 3600
-  
+
   Handedness = gsub(pattern = "Handedness Code:", replacement = "",
             x = fh[grep(pattern = "Handedness Code", x = fh)[1]])
   ID = gsub(pattern = "Subject Code:", replacement = "",
             x = fh[grep(pattern = "Subject Code", x = fh)[1]])
-  
+
   DeviceLocation = gsub(pattern = "Device Location Code:", replacement = "",
             x = fh[grep(pattern = "Device Location Code", x = fh)[1]])
-  
+
   DeviceModel = gsub(pattern = " ", replacement = "",
                      x = gsub(pattern = "Device Model:", replacement = "",
                         x = fh[grep(pattern = "Device Model", x = fh)[1]]))
 
   # Read acceleration, lux and temperature data
   rawdata = GENEActivReader(filename = filename,
-                            start = start, end = end, 
+                            start = start, end = end,
                             progress_bar = progress_bar)
-  
+
   rawdata$time = rawdata$time / 1000
-  
+
   # Construct header object
   header = list(serial_number = SN,
                 firmware = firmware,
@@ -50,16 +50,17 @@ readGENEActiv = function(filename, start = 0, end = 0, progress_bar = FALSE,
                 ReadErrors = rawdata$info$ReadErrors,
                 numBlocksTotal = rawdata$info$numBlocksTotal,
                 StarTime = starttime,
+                StartTime = starttime,
                 Handedness = Handedness,
                 RecordingID = ID,
                 DeviceLocation = DeviceLocation,
                 DeviceModel = DeviceModel)
-  
+
   s0 = unlist(strsplit(starttime, ":"))
   if (length(s0) == 4) {
     starttime = paste0(s0[1], ":", s0[2], ":", s0[3], ".", s0[4])
   }
-  
+
   # Establish starttime in the correct timezone
   if (is.null(configtz)) {
     starttime_posix = as.POSIXlt(x = starttime, tz = desiredtz,
@@ -68,7 +69,7 @@ readGENEActiv = function(filename, start = 0, end = 0, progress_bar = FALSE,
     starttime_posix = as.POSIXlt(starttime, tz = configtz,
                                  format = "%Y-%m-%d %H:%M:%OS", origin = "1970-01-01")
   }
-  
+
   # Correct timestamps
   if (start > 1) {
     page_offset = (((start - 1) * 300) / rawdata$info$SampleRate)
@@ -79,7 +80,7 @@ readGENEActiv = function(filename, start = 0, end = 0, progress_bar = FALSE,
   rawdata$time = rawdata$time + abs(rawdata$time[1]) + starttime_num
   return(invisible(list(
     header = header,
-    data.out = data.frame(time = rawdata$time, 
+    data.out = data.frame(time = rawdata$time,
                       x = rawdata$x, y = rawdata$y, z = rawdata$z,
                       light = rawdata$lux * (Lux/Volts),
                       temperature = rawdata$temperature,
diff --git a/src/GENEActivReader.cpp b/src/GENEActivReader.cpp
index 8eea7f9..f6d3872 100644
--- a/src/GENEActivReader.cpp
+++ b/src/GENEActivReader.cpp
@@ -211,7 +211,7 @@ Rcpp::List GENEActivReader(std::string filename, std::size_t start = 0, std::siz
 
             if (progress_bar) {
                 if ((blockCount % 10000 == 0) || (blockCount == numBlocksTotal)) {
-                    Rcpp::Rcout << "Reading file... %lu%%\r" << (blockCount * 100 / numBlocksTotal);
+                    Rcpp::Rcout << "Reading file... " << (blockCount * 100 / numBlocksTotal) << "%\r";
                 }
             }