diff --git a/build/bin/compile-gwt-components.bat b/build/bin/compile-gwt-components.bat
index 9d034fd6d8..b1ed38ce56 100644
--- a/build/bin/compile-gwt-components.bat
+++ b/build/bin/compile-gwt-components.bat
@@ -1,2 +1,2 @@
-@java -cp "%~dp0\../../src;%~dp0\bin;%~dp0\../gwt/gwt/gwt-user.jar;%~dp0\../gwt/gwt/gwt-dev-windows.jar" com.google.gwt.dev.GWTCompiler -out "%~dp0\../../WebContent/ITMILL/widgetsets" %* com.itmill.toolkit.terminal.gwt.DefaultWidgetSet
-@java -cp "%~dp0\../../src;%~dp0\bin;%~dp0\../gwt/gwt/gwt-user.jar;%~dp0\../../lib/reservr/googlemaps_gwt.jar;%~dp0\../gwt/gwt/gwt-dev-windows.jar" com.google.gwt.dev.GWTCompiler -out "%~dp0\../../WebContent/ITMILL/widgetsets" %* com.itmill.toolkit.demo.reservation.gwt.WidgetSet
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+@java -Xmx128m -Xms128m -cp "%~dp0\../../src;%~dp0\bin;%~dp0\../gwt/gwt/gwt-user.jar;%~dp0\../gwt/gwt/gwt-dev-windows.jar" com.google.gwt.dev.GWTCompiler -out "%~dp0\../../WebContent/ITMILL/widgetsets" %* com.itmill.toolkit.terminal.gwt.DefaultWidgetSet
+@java -Xmx128m -Xms128m -cp "%~dp0\../../src;%~dp0\bin;%~dp0\../gwt/gwt/gwt-user.jar;%~dp0\../../lib/reservr/googlemaps_gwt.jar;%~dp0\../gwt/gwt/gwt-dev-windows.jar" com.google.gwt.dev.GWTCompiler -out "%~dp0\../../WebContent/ITMILL/widgetsets" %* com.itmill.toolkit.demo.reservation.gwt.WidgetSet
\ No newline at end of file