diff --git a/klippy/util.py b/klippy/util.py
index 14009855..0321014e 100644
--- a/klippy/util.py
+++ b/klippy/util.py
@@ -67,7 +67,7 @@ def dump_mcu_build():
     # Try to log last mcu config
     dump_file_stats(build_dir, '.config')
     try:
-        f = open(os.path.join(build_dir, '.config'), 'rb')
+        f = open(os.path.join(build_dir, '.config'), 'r')
         data = f.read(32*1024)
         f.close()
         logging.info("========= Last MCU build config =========\n%s"
@@ -77,7 +77,7 @@ def dump_mcu_build():
     # Try to log last mcu build version
     dump_file_stats(build_dir, 'out/klipper.dict')
     try:
-        f = open(os.path.join(build_dir, 'out/klipper.dict'), 'rb')
+        f = open(os.path.join(build_dir, 'out/klipper.dict'), 'r')
         data = f.read(32*1024)
         f.close()
         data = json.loads(data)
@@ -96,7 +96,7 @@ def dump_mcu_build():
 
 def get_cpu_info():
     try:
-        f = open('/proc/cpuinfo', 'rb')
+        f = open('/proc/cpuinfo', 'r')
         data = f.read()
         f.close()
     except (IOError, OSError) as e:
@@ -130,10 +130,10 @@ def get_git_version(from_file=True):
         ver, err = process.communicate()
         retcode = process.wait()
         if retcode == 0:
-            return ver.strip()
+            return ver.strip().decode()
         else:
             logging.debug("Error getting git version: %s", err)
-    except OSError:
+    except:
         logging.debug("Exception on run: %s", traceback.format_exc())
 
     if from_file: