diff --git a/CMakeLists.txt b/CMakeLists.txt
index 76b9595e5..07ee92417 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -347,11 +347,17 @@ if(WIN32)
     SET(CPACK_NSIS_URL_INFO_ABOUT "http:\\\\\\\\www.openmw.org")
     SET(CPACK_NSIS_INSTALLED_ICON_NAME "omwlauncher.exe")
 
-    SET(VCREDIST "${OpenMW_BINARY_DIR}/vcredist_x86.exe")
-    if(EXISTS ${VCREDIST})
-        INSTALL(FILES ${VCREDIST} DESTINATION "redist")
+    SET(VCREDIST32 "${OpenMW_BINARY_DIR}/vcredist_x86.exe")
+    if(EXISTS ${VCREDIST32})
+        INSTALL(FILES ${VCREDIST32} DESTINATION "redist")
         SET(CPACK_NSIS_EXTRA_INSTALL_COMMANDS "ExecWait '\\\"$INSTDIR\\\\redist\\\\vcredist_x86.exe\\\" /q'" )
-    endif(EXISTS ${VCREDIST})
+    endif(EXISTS ${VCREDIST32})
+
+    SET(VCREDIST64 "${OpenMW_BINARY_DIR}/vcredist_x64.exe")
+    if(EXISTS ${VCREDIST64})
+        INSTALL(FILES ${VCREDIST64} DESTINATION "redist")
+        SET(CPACK_NSIS_EXTRA_INSTALL_COMMANDS "ExecWait '\\\"$INSTDIR\\\\redist\\\\vcredist_x64.exe\\\" /q'" )
+    endif(EXISTS ${VCREDIST64})
 
     SET(OALREDIST "${OpenMW_BINARY_DIR}/oalinst.exe")
     if(EXISTS ${OALREDIST})
@@ -360,6 +366,10 @@ if(WIN32)
             ExecWait '\\\"$INSTDIR\\\\redist\\\\oalinst.exe\\\" /s'" )
     endif(EXISTS ${OALREDIST})
 
+    if(CMAKE_CL_64)
+        SET(CPACK_NSIS_INSTALL_ROOT "$PROGRAMFILES64")
+    endif()
+
     include(CPack)
 endif(WIN32)
 
diff --git a/components/files/windowspath.cpp b/components/files/windowspath.cpp
index cf73b3728..dfa8f20cc 100644
--- a/components/files/windowspath.cpp
+++ b/components/files/windowspath.cpp
@@ -75,7 +75,7 @@ boost::filesystem::path WindowsPath::getInstallPath() const
 
     BOOL f64 = FALSE;
     LPCTSTR regkey;
-    if (IsWow64Process(GetCurrentProcess(), &f64) && f64)
+    if ((IsWow64Process(GetCurrentProcess(), &f64) && f64) || sizeof(void*) == 8)
     {
         regkey = "SOFTWARE\\Wow6432Node\\Bethesda Softworks\\Morrowind";
     }