diff --git a/src/net/azib/ipscan/gui/feeders/RangeFeederGUI.java b/src/net/azib/ipscan/gui/feeders/RangeFeederGUI.java
index a26abd24..faf90afc 100644
--- a/src/net/azib/ipscan/gui/feeders/RangeFeederGUI.java
+++ b/src/net/azib/ipscan/gui/feeders/RangeFeederGUI.java
@@ -113,11 +113,11 @@ public class RangeFeederGUI extends AbstractFeederGUI {
 		netmaskCombo.setToolTipText(getLabel("feeder.range.netmask.tooltip"));
 
 		pack();
-		if (Platform.LINUX) {
-			Rectangle comboBounds = netmaskCombo.getBounds();
-			Rectangle endIPBounds = endIPText.getBounds();
-			netmaskCombo.setBounds(comboBounds.x, comboBounds.y, endIPBounds.x + endIPBounds.width - comboBounds.x, comboBounds.height);
-		}
+		Rectangle comboBounds = netmaskCombo.getBounds();
+		Rectangle endIPBounds = endIPText.getBounds();
+		int width = endIPBounds.x + endIPBounds.width - comboBounds.x;
+		((GridData) netmaskCombo.getLayoutData()).widthHint = width - 5;
+		pack();
 
 		// do this stuff asynchronously (to show GUI faster)
 		asyncFillLocalHostInfo(hostnameText, startIPText);