diff --git a/cmake/modules/NSIS.template.in b/cmake/modules/NSIS.template.in
--- a/cmake/modules/NSIS.template.in
+++ b/cmake/modules/NSIS.template.in
@@ -2,6 +2,7 @@
 
 RequestExecutionLevel highest
 SetCompressor @CPACK_NSIS_COMPRESSOR@
+Unicode true
 
 # General Symbol Definitions
 !define REGKEY "SOFTWARE\$(^Name)"