diff --git a/English.lproj/Localizable.strings b/English.lproj/Localizable.strings
index b6fdfb86a..476e885a5 100644
--- a/English.lproj/Localizable.strings
+++ b/English.lproj/Localizable.strings
@@ -17,3 +17,6 @@
 "ShuffleButtonTooltip" = "Shuffle mode";
 "RepeatButtonTooltip" = "Repeat mode";
 "FileButtonTooltip" = "File drawer";
+
+"InvalidURLShort" = "Invalid URL"
+"InvalidURLLong" = "The URL is not valid."
diff --git a/Localizations/English/MainProgram.strings b/Localizations/English/MainProgram.strings
index b6fdfb86a..476e885a5 100644
--- a/Localizations/English/MainProgram.strings
+++ b/Localizations/English/MainProgram.strings
@@ -17,3 +17,6 @@
 "ShuffleButtonTooltip" = "Shuffle mode";
 "RepeatButtonTooltip" = "Repeat mode";
 "FileButtonTooltip" = "File drawer";
+
+"InvalidURLShort" = "Invalid URL"
+"InvalidURLLong" = "The URL is not valid."
diff --git a/ThirdParty/OpenURLPanel/OpenURLPanel.m b/ThirdParty/OpenURLPanel/OpenURLPanel.m
index 7761d0938..cc5de3ec3 100755
--- a/ThirdParty/OpenURLPanel/OpenURLPanel.m
+++ b/ThirdParty/OpenURLPanel/OpenURLPanel.m
@@ -204,9 +204,9 @@ static OpenURLPanel *openURLPanel = nil;
 		else
 		{
 			if (mIsSheet)
-				NSRunAlertPanel(@"Invalid URL", @"The URL is not valid.", nil, nil, nil);
+				NSRunAlertPanel(NSLocalizedString(@"InvalidURLShort", @""), NSLocalizedString(@"InvalidURLLong", @""), nil, nil, nil);
 			else
-				NSBeginAlertSheet(@"Invalid URL", nil, nil, nil, mPanel, nil, nil, nil, nil, @"The URL is not valid.");
+				NSBeginAlertSheet(NSLocalizedString(@"InvalidURLShort", @""), nil, nil, nil, mPanel, nil, nil, nil, nil, NSLocalizedString(@"InvalidURLLong", @""));
 
 			informDelegate = NO;
 		}