diff --git a/src/main/java/eu/siacs/conversations/ui/adapter/MessageAdapter.java b/src/main/java/eu/siacs/conversations/ui/adapter/MessageAdapter.java
index 478586b9..ae3c1834 100644
--- a/src/main/java/eu/siacs/conversations/ui/adapter/MessageAdapter.java
+++ b/src/main/java/eu/siacs/conversations/ui/adapter/MessageAdapter.java
@@ -103,9 +103,9 @@ public class MessageAdapter extends ArrayAdapter<Message> {
 		if (message.getType() == Message.TYPE_IMAGE || message.getType() == Message.TYPE_FILE || message.getDownloadable() != null) {
 			ImageParams params = message.getImageParams();
 			if (params.size > (1.5 * 1024 * 1024)) {
-				filesize = params.size / (1024 * 1024)+ " MB";
+				filesize = params.size / (1024 * 1024)+ " MiB";
 			} else if (params.size > 0) {
-				filesize = params.size / 1024 + " KB";
+				filesize = params.size / 1024 + " KiB";
 			}
 			if (message.getDownloadable() != null && message.getDownloadable().getStatus() == Downloadable.STATUS_FAILED) {
 				error = true;
diff --git a/src/main/res/values/arrays.xml b/src/main/res/values/arrays.xml
index 4acc9e62..0fc55776 100644
--- a/src/main/res/values/arrays.xml
+++ b/src/main/res/values/arrays.xml
@@ -1,39 +1,43 @@
 <?xml version="1.0" encoding="utf-8"?>
 <resources>
 
-    <string-array name="resources">
-        <item>Mobile</item>
-        <item>Phone</item>
-        <item>Tablet</item>
-        <item>Conversations</item>
-        <item>Android</item>
-    </string-array>
-    <string-array name="filesizes">
-        <item>never</item>
-        <item>256 KB</item>
-        <item>512 KB</item>
-        <item>1 MB</item>
-    </string-array>
-    <string-array name="filesizes_values">
-        <item>0</item>
-        <item>262144</item>
-        <item>524288</item>
-        <item>1048576</item>
-    </string-array>
-    <string-array name="mute_options_descriptions">
-        <item>30 minutes</item>
-        <item>1 hour</item>
-        <item>2 hours</item>
-        <item>8 hours</item>
-        <item>until further notice</item>
-    </string-array>
+	<string-array name="resources">
+		<item>Mobile</item>
+		<item>Phone</item>
+		<item>Tablet</item>
+		<item>Conversations</item>
+		<item>Android</item>
+	</string-array>
+	<string-array name="filesizes">
+		<item>never</item>
+		<item>256 KiB</item>
+		<item>512 KiB</item>
+		<item>1 MiB</item>
+		<item>5 MiB</item>
+		<item>10 MiB</item>
+	</string-array>
+	<string-array name="filesizes_values">
+		<item>0</item>
+		<item>262144</item>
+		<item>524288</item>
+		<item>1048576</item>
+		<item>5242880</item>
+		<item>10485760</item>
+	</string-array>
+	<string-array name="mute_options_descriptions">
+		<item>30 minutes</item>
+		<item>1 hour</item>
+		<item>2 hours</item>
+		<item>8 hours</item>
+		<item>until further notice</item>
+	</string-array>
 
-    <integer-array name="mute_options_durations">
-        <item>1800</item>
-        <item>3600</item>
-        <item>7200</item>
-        <item>28800</item>
-        <item>-1</item>
-    </integer-array>
+	<integer-array name="mute_options_durations">
+		<item>1800</item>
+		<item>3600</item>
+		<item>7200</item>
+		<item>28800</item>
+		<item>-1</item>
+	</integer-array>
 
 </resources>