diff --git a/syncplay/messages.py b/syncplay/messages.py
index 965cf6d..26992d7 100755
--- a/syncplay/messages.py
+++ b/syncplay/messages.py
@@ -194,7 +194,7 @@ en = {
       "setoffset-msgbox-label" : "Set offset",
       "offsetinfo-msgbox-label" : "Offset (see http://syncplay.pl/guide/ for usage instructions):",
 
-      "mebibyte-suffix" : " MiB",
+      "megabyte-suffix" : " MB",
 
       # Tooltips
 
diff --git a/syncplay/utils.py b/syncplay/utils.py
index cf04c2d..b1c52e7 100644
--- a/syncplay/utils.py
+++ b/syncplay/utils.py
@@ -97,12 +97,12 @@ def formatSize (bytes, precise=False):
     if bytes == 0: # E.g. when file size privacy is enabled
         return "???"
     try:
-        mebibytes = int(bytes) / 1048576.0
+        megabytes = int(bytes) / 1000000.0
         if precise:
-            mebibytes = round(mebibytes, 1)
+            megabytes = round(megabytes, 1)
         else:
-            mebibytes = int(mebibytes)
-        return str(mebibytes) + getMessage("mebibyte-suffix")
+            megabytes = int(megabytes)
+        return str(megabytes) + getMessage("megabyte-suffix")
     except: # E.g. when filesize is hashed
         return "???"