diff --git a/src/diag.rs b/src/diag.rs
index ea61b24..9430683 100644
--- a/src/diag.rs
+++ b/src/diag.rs
@@ -132,15 +132,14 @@ pub fn build_log_mask_request(log_type: u32, log_mask_bitsize: u32, accepted_log
     for i in 0..log_mask_bitsize {
         let log_code: u32 = (log_type << 12) | i;
         if accepted_log_codes.contains(&log_code) {
-            println!("enabling {:x}", log_code);
             current_byte |= 1 << num_bits_written;
         }
         num_bits_written += 1;
 
         if num_bits_written == 8 || i == log_mask_bitsize - 1 {
+            log_mask.push(current_byte);
             current_byte = 0;
             num_bits_written = 0;
-            log_mask.push(current_byte);
         }
     }
 
@@ -153,6 +152,7 @@ pub fn build_log_mask_request(log_type: u32, log_mask_bitsize: u32, accepted_log
 
 #[cfg(test)]
 mod test {
+    use crate::diag_device::LOG_CODES_FOR_RAW_PACKET_LOGGING;
     use super::*;
 
     #[test]
@@ -175,11 +175,20 @@ mod test {
 
     #[test]
     fn test_build_log_mask_request() {
-        let accepted = vec![0x412f];
-        assert_eq!(build_log_mask_request(0, 1, &accepted), Request::LogConfig(LogConfigRequest::SetMask {
-            log_type: 0,
-            log_mask_bitsize: 1,
-            log_mask: vec![0x01],
+        let log_type = 11;
+        let bitsize = 513;
+        let req = build_log_mask_request(log_type, bitsize, &LOG_CODES_FOR_RAW_PACKET_LOGGING);
+        assert_eq!(req, Request::LogConfig(LogConfigRequest::SetMask {
+            log_type: log_type,
+            log_mask_bitsize: bitsize,
+            log_mask: vec![
+                0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
+                0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
+                0x1, 0x0, 0x0, 0x0, 0xc, 0x30, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
+                0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
+                0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
+                0x0, 0x0, 0x0, 0x0, 0x0,
+            ],
         }));
     }
 
diff --git a/src/diag_device.rs b/src/diag_device.rs
index d14ba6b..eb712f5 100644
--- a/src/diag_device.rs
+++ b/src/diag_device.rs
@@ -119,7 +119,6 @@ impl DiagDevice {
         let mut buf = vec![0; BUFFER_LEN];
 
         loop {
-            println!("waiting to read");
             let _ = self.file.read(&mut buf)?;
             let ((_, leftover_bytes), res_container) = MessagesContainer::from_bytes((&buf, 0))?;
             if leftover_bytes > 0 {
@@ -176,7 +175,6 @@ impl DiagDevice {
 
     fn set_log_mask(&mut self, log_type: u32, log_mask_bitsize: u32) -> DiagResult<()> {
         let req = build_log_mask_request(log_type, log_mask_bitsize, &LOG_CODES_FOR_RAW_PACKET_LOGGING);
-        println!("setting log mask {} {:?}", log_type, &req);
         self.write_request(&req)?;
 
         for msg in self.read_response()? {
@@ -199,11 +197,9 @@ impl DiagDevice {
     pub fn config_logs(&mut self) -> DiagResult<()> {
         println!("retrieving diag logging capabilities...");
         let log_mask_sizes = self.retrieve_id_ranges()?;
-        println!("log mask sizes: {:?}", log_mask_sizes);
 
         for (log_type, &log_mask_bitsize) in log_mask_sizes.iter().enumerate() {
             if log_mask_bitsize > 0 {
-                println!("setting logging for log_type {}", log_type);
                 self.set_log_mask(log_type as u32, log_mask_bitsize)?;
                 println!("enabled logging for log type {}", log_type);
             }
diff --git a/src/main.rs b/src/main.rs
index 8575630..8a63cae 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -10,7 +10,6 @@ fn main() -> std::io::Result<()> {
     dev.config_logs().unwrap();
 
     loop {
-        println!("waiting for message...");
         for msg in dev.read_response().unwrap() {
             println!("msg: {:?}", msg);
         }