diff --git a/Contrib/InstallOptions/InstallOptions.nsh b/Contrib/InstallOptions/InstallOptions.nsh
index 61687e15..1038ae25 100644
--- a/Contrib/InstallOptions/InstallOptions.nsh
+++ b/Contrib/InstallOptions/InstallOptions.nsh
@@ -126,7 +126,7 @@ Macros and conversion functions for InstallOptions
   InitPluginsDir
   File "/oname=$PLUGINSDIR\${FILE}" "${FILE}"
 !ifdef NSIS_UNICODE
-  InstallOptionsW::make_unicode "$PLUGINSDIR\${FILE}"
+  InstallOptions::make_unicode "$PLUGINSDIR\${FILE}"
 !endif
   !insertmacro INSTALLOPTIONS_WRITE "${FILE}" "Settings" "RTL" "$(^RTL)"
 
@@ -139,7 +139,7 @@ Macros and conversion functions for InstallOptions
   InitPluginsDir
   File "/oname=$PLUGINSDIR\${FILENAME}" "${FILE}"
 !ifdef NSIS_UNICODE
-  InstallOptionsW::make_unicode "$PLUGINSDIR\${FILENAME}"
+  InstallOptions::make_unicode "$PLUGINSDIR\${FILENAME}"
 !endif
   !insertmacro INSTALLOPTIONS_WRITE "${FILENAME}" "Settings" "RTL" "$(^RTL)"