diff --git a/src/gui/packages_window.cpp b/src/gui/packages_window.cpp
index a3bd16ea..2e06545f 100644
--- a/src/gui/packages_window.cpp
+++ b/src/gui/packages_window.cpp
@@ -264,9 +264,23 @@ void PackagesWindow::onOk(wxCommandEvent& ev) {
 	// count number of packages to change
 	int to_change   = 0;
 	int to_download = 0;
+	int to_remove   = 0;
+	int with_modifications = 0;
 	FOR_EACH(ip, installable_packages) {
 		if (!ip->has(PACKAGE_NOTHING)) ++to_change;
 		if ((ip->action & PACKAGE_INSTALL) && ip->installer && !ip->installer->installer) ++to_download;
+		if (ip->action & PACKAGE_REMOVE) {
+			to_remove++;
+			if (ip->status & PACKAGE_MODIFIED) with_modifications++;
+		}
+	}
+	// Warn about removing
+	if (to_remove) {
+		int result = wxMessageBox(
+			with_modifications == 0 ? _ERROR_1_("remove packages",           String()<<to_remove)
+			                        : _ERROR_2_("remove packages modified",  String()<<to_remove,  String()<<with_modifications),
+			_TITLE_("packages window"), wxICON_EXCLAMATION | wxYES_NO);
+		if (result == wxNO) return;
 	}
 	// progress dialog
 	wxProgressDialog progress(
diff --git a/src/resource/common/expected_locale_keys b/src/resource/common/expected_locale_keys
index a2fe1f0f..2b49f291 100644
--- a/src/resource/common/expected_locale_keys
+++ b/src/resource/common/expected_locale_keys
@@ -1,6 +1,6 @@
 # This file contains the keys expected to be in MSE locales
 # It was automatically generated by tools/locale/locale.pl
-# Generated on Sat May 31 18:40:22 2008
+# Generated on Sat May 31 19:21:25 2008
 
 action:
 	add control point:	0
@@ -115,8 +115,8 @@ error:
 	package not found:	1
 	package out of date:	3
 	package too new:	4
-	remove packages:	optional, 1
-	remove packages modified:	optional, 2
+	remove packages:	1
+	remove packages modified:	2
 	remove packages successful:	1
 	stylesheet and set refer to different game:	0
 	successful install:	optional, 2