diff --git a/elog.nsi b/elog.nsi
index e16685fa..772d9e45 100755
--- a/elog.nsi
+++ b/elog.nsi
@@ -73,6 +73,7 @@ Section "ELOG system (required)" SecSystem
   File nt\release\elconv.exe
   File \windows\system32\libeay32.dll
   File \windows\system32\ssleay32.dll
+  File nt\msvcr71.dll
 
   ; doc directory
   SetOutPath $INSTDIR\doc