diff --git a/res/values/arrays.xml b/res/values/arrays.xml
index 5494ff44..116cc73d 100644
--- a/res/values/arrays.xml
+++ b/res/values/arrays.xml
@@ -49,6 +49,8 @@
 		<item>@string/list_hwbutton_ctrlaspace</item>
 		<item>@string/list_hwbutton_ctrla</item>
 		<item>@string/list_hwbutton_esc_a</item>
+		<item>@string/list_hwbutton_font_inc</item>
+		<item>@string/list_hwbutton_font_dec</item>
 		<item>@string/list_hwbutton_none</item>
 	</string-array>
 
@@ -60,6 +62,8 @@
 		<item>Ctrl+A then Space</item>
 		<item>Ctrl+A</item>
 		<item>Esc+A</item>
+		<item>Increase font size</item>
+		<item>Decrease font size</item>
 		<item>None</item>
 	</string-array>
 
diff --git a/res/values/strings.xml b/res/values/strings.xml
index a689e54d..73e087db 100644
--- a/res/values/strings.xml
+++ b/res/values/strings.xml
@@ -430,6 +430,10 @@
 	<string name="list_hwbutton_ctrla">"Ctrl+A"</string>
 	<!-- Selection to indicate pressing a hardware button should send "Esc+A". -->
 	<string name="list_hwbutton_esc_a">"Esc+A"</string>
+	<!-- Selection to indicate pressing a hardware button should increase font size . -->
+	<string name="list_hwbutton_font_inc">"Increase font size"</string>
+	<!-- Selection to indicate pressing a hardware button should decrease font size . -->
+	<string name="list_hwbutton_font_dec">"Decrease font size"</string>
 	<!-- Selection to indicate pressing a hardware button should send nothing at all. -->
 	<string name="list_hwbutton_none">"None"</string>
 
diff --git a/src/sk/vx/connectbot/service/TerminalKeyListener.java b/src/sk/vx/connectbot/service/TerminalKeyListener.java
index 1ce35994..48fe85fe 100644
--- a/src/sk/vx/connectbot/service/TerminalKeyListener.java
+++ b/src/sk/vx/connectbot/service/TerminalKeyListener.java
@@ -580,6 +580,10 @@ private boolean handleShortcut(View v, String shortcut) {
 			} else if(PreferenceConstants.HWBUTTON_ESC_A.equals(shortcut)) {
 				((vt320)buffer).keyTyped(vt320.KEY_ESCAPE, ' ', 0);
 				bridge.transport.write('a');
+			} else if(PreferenceConstants.HWBUTTON_FONT_INC.equals(shortcut)) {
+				bridge.increaseFontSize();
+			} else if(PreferenceConstants.HWBUTTON_FONT_DEC.equals(shortcut)) {
+				bridge.decreaseFontSize();
 			} else {
 				return(false);
 			}
diff --git a/src/sk/vx/connectbot/util/PreferenceConstants.java b/src/sk/vx/connectbot/util/PreferenceConstants.java
index 7a30a161..97d62945 100644
--- a/src/sk/vx/connectbot/util/PreferenceConstants.java
+++ b/src/sk/vx/connectbot/util/PreferenceConstants.java
@@ -67,6 +67,8 @@ public class PreferenceConstants {
 	public static final String HWBUTTON_ESC_A = "Esc+A";
 	public static final String HWBUTTON_CTRL = "CTRL";
 	public static final String HWBUTTON_TAB  = "Tab";
+	public static final String HWBUTTON_FONT_INC  = "Increase font size";
+	public static final String HWBUTTON_FONT_DEC  = "Decrease font size";
 
 	public static final String KEEP_ALIVE = "keepalive";