diff --git a/deploy/build_macos.sh b/deploy/build_macos.sh
index 13214d6d..0d64a9ec 100755
--- a/deploy/build_macos.sh
+++ b/deploy/build_macos.sh
@@ -146,7 +146,7 @@ if [ "${MAC_CERT_PW+x}" ]; then
 fi
 
 echo "Building DMG installer..."
-hdiutil create -volname AmneziaVPN -srcfolder $BUILD_DIR/installer/$APP_NAME.app -ov -format UDZO $DMG_FILENAME
+hdiutil create -size 120mb -volname AmneziaVPN -srcfolder $BUILD_DIR/installer/$APP_NAME.app -ov -format UDZO $DMG_FILENAME
 
 if [ "${MAC_CERT_PW+x}" ]; then
   echo "Signing DMG installer..."