diff --git a/packaging/nsis/Makefile.nmake b/packaging/nsis/Makefile.nmake
index 05fb5a7cff..e25c6ee712 100644
--- a/packaging/nsis/Makefile.nmake
+++ b/packaging/nsis/Makefile.nmake
@@ -168,6 +168,9 @@ $(DEST)-setup-$(VERSION).exe : user-guide.chm $(NSI) $(DELIVERABLES) Makefile.nm
 !IFDEF LUA_DIR
 	/DLUA_DIR=$(LUA_DIR) \
 !ENDIF
+!IFDEF SMI_DIR
+	/DSMI_DIR=$(SMI_DIR) \
+!ENDIF
 !IFDEF HHC_DIR
 	/DHHC_DIR="$(HHC_DIR)" \
 !ENDIF
diff --git a/packaging/nsis/wireshark.nsi b/packaging/nsis/wireshark.nsi
index 3fb82a7b15..14f26d81bf 100644
--- a/packaging/nsis/wireshark.nsi
+++ b/packaging/nsis/wireshark.nsi
@@ -335,6 +335,9 @@ File "..\..\epan\wslua\init.lua"
 File "..\..\epan\wslua\console.lua"
 File "..\..\epan\wslua\dtd_gen.lua"
 !endif
+!ifdef SMI_DIR
+File "${SMI_DIR}\lib\smi.dll"
+!endif
 File "..\..\FAQ"
 File "..\..\README"
 File "..\..\README.win32"