diff --git a/FlightGear-files.iss b/FlightGear-files.iss
index c8db0e3..62f0c81 100644
--- a/FlightGear-files.iss
+++ b/FlightGear-files.iss
@@ -11,6 +11,7 @@ Source: "{#ThirdPartyDir}\3rdParty.x64\bin\sentry.dll"; DestDir: "{app}\bin"; Ch
 Source: "{#ThirdPartyDir}\3rdParty.x64\bin\crashpad_handler.exe"; DestDir: "{app}\bin"; Check: Is64BitInstallMode
 Source: "{#ThirdPartyDir}\3rdParty.x64\bin\dbus-1-3.dll"; DestDir: "{app}\bin"; Check: Is64BitInstallMode
 Source: "{#ThirdPartyDir}\3rdParty.x64\bin\event_core.dll"; DestDir: "{app}\bin"; Check: Is64BitInstallMode
+Source: "{#ThirdPartyDir}\3rdParty.x64\bin\liblzma.dll"; DestDir: "{app}\bin"; Check: Is64BitInstallMode
 
 ; Include the base package
 #if IncludeData == "TRUE"