diff --git a/FlightGear-files.iss b/FlightGear-files.iss
index 62f0c81..8afc34a 100644
--- a/FlightGear-files.iss
+++ b/FlightGear-files.iss
@@ -42,4 +42,5 @@ Source: "{#OSG64PluginsDir}\osgdb_png.dll"; DestDir: "{app}\bin\osgPlugins-{#OSG
 Source: "{#OSG64PluginsDir}\osgdb_dds.dll"; DestDir: "{app}\bin\osgPlugins-{#OSGVersion}"; Flags: skipifsourcedoesntexist; Check: Is64BitInstallMode
 Source: "{#OSG64PluginsDir}\osgdb_txf.dll"; DestDir: "{app}\bin\osgPlugins-{#OSGVersion}"; Flags: skipifsourcedoesntexist; Check: Is64BitInstallMode
 Source: "{#OSG64PluginsDir}\osgdb_tiff.dll"; DestDir: "{app}\bin\osgPlugins-{#OSGVersion}"; Flags: skipifsourcedoesntexist; Check: Is64BitInstallMode
-Source: "{#OSG64PluginsDir}\osgdb_freetype.dll"; DestDir: "{app}\bin\osgPlugins-{#OSGVersion}"; Flags: skipifsourcedoesntexist; Check: Is64BitInstallMode
\ No newline at end of file
+Source: "{#OSG64PluginsDir}\osgdb_freetype.dll"; DestDir: "{app}\bin\osgPlugins-{#OSGVersion}"; Flags: skipifsourcedoesntexist; Check: Is64BitInstallMode
+Source: "{#OSG64PluginsDir}\osgdb_osgterrain.dll"; DestDir: "{app}\bin\osgPlugins-{#OSGVersion}"; Flags: skipifsourcedoesntexist; Check: Is64BitInstallMode