diff --git a/FlightGear.iss b/FlightGear.iss
index a3b186a..678fe01 100755
--- a/FlightGear.iss
+++ b/FlightGear.iss
@@ -106,10 +106,10 @@ Source: "X:\install\msvc100-64\FGRun\share\locale\*"; DestDir: "{app}\bin\locale
 Source: "X:\3rdParty.x64\bin\zlib.dll"; DestDir: "{app}\bin"; Check: Is64BitInstallMode
 Source: "X:\3rdParty.x64\bin\OpenAL32.dll"; DestDir: "{app}\bin"; Check: Is64BitInstallMode
 Source: "X:\3rdParty.x64\bin\vcredist_x64.exe"; DestDir: "{app}\bin"; Flags: skipifsourcedoesntexist; Check: Is64BitInstallMode
-Source: "X:\3rdParty.x64\bin\libpng16.dll"; DestDir: "{app}\bin"; Check: not Is64BitInstallMode
-Source: "X:\3rdParty.x64\bin\CrashRpt1402.dll"; DestDir: "{app}\bin"; Check: not Is64BitInstallMode
-Source: "X:\3rdParty.x64\bin\crashrpt_lang.ini"; DestDir: "{app}\bin"; Check: not Is64BitInstallMode
-Source: "X:\3rdParty.x64\bin\CrashSender1402.exe"; DestDir: "{app}\bin"; Check: not Is64BitInstallMode
+Source: "X:\3rdParty.x64\bin\libpng16.dll"; DestDir: "{app}\bin"; Check: Is64BitInstallMode
+Source: "X:\3rdParty.x64\bin\CrashRpt1402.dll"; DestDir: "{app}\bin"; Check: Is64BitInstallMode
+Source: "X:\3rdParty.x64\bin\crashrpt_lang.ini"; DestDir: "{app}\bin"; Check: Is64BitInstallMode
+Source: "X:\3rdParty.x64\bin\CrashSender1402.exe"; DestDir: "{app}\bin"; Check: Is64BitInstallMode
 Source: "{#VCInstallDir}\redist\x64\Microsoft.VC100.CRT\*.dll"; DestDir: "{app}\bin"; Check: Is64BitInstallMode
 
 ; 32/64 bits install