diff --git a/Makefile.am b/Makefile.am
index 15c4de4360f..4ded234c110 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -113,6 +113,7 @@ dtds_DATA = \
 radiusdir = $(pkgdatadir)/radius
 radius_DATA = \
 	radius/README.radius_dictionary  \
+	radius/custom.includes  \
 	radius/dictionary  \
 	radius/dictionary.3com  \
 	radius/dictionary.3gpp  \
diff --git a/packaging/nsis/Makefile.am b/packaging/nsis/Makefile.am
index c1e8ec1c217..c8549ca328e 100644
--- a/packaging/nsis/Makefile.am
+++ b/packaging/nsis/Makefile.am
@@ -16,4 +16,5 @@ EXTRA_DIST = \
 	Custom.nmake \
 	custom_plugins.txt	\
 	custom_mibs.txt	\
+	custom_radius_dict.txt	\
 	x64.nsh
diff --git a/packaging/nsis/custom_radius_dict.txt b/packaging/nsis/custom_radius_dict.txt
new file mode 100644
index 00000000000..48ecad627f8
--- /dev/null
+++ b/packaging/nsis/custom_radius_dict.txt
@@ -0,0 +1,3 @@
+;Add your custom radius dictionary here
+; Example:
+;File "..\..\radius\dictionary.foo"
\ No newline at end of file
diff --git a/packaging/nsis/wireshark.nsi b/packaging/nsis/wireshark.nsi
index 2fa722ae5ff..c38f3c63920 100644
--- a/packaging/nsis/wireshark.nsi
+++ b/packaging/nsis/wireshark.nsi
@@ -445,6 +445,7 @@ SetOutPath $INSTDIR
 ;
 SetOutPath $INSTDIR\radius
 File "..\..\radius\README.radius_dictionary"
+File "..\..\radius\custom.includes"
 File "..\..\radius\dictionary"
 File "..\..\radius\dictionary.3com"
 File "..\..\radius\dictionary.3gpp"
@@ -588,6 +589,7 @@ File "..\..\radius\dictionary.wimax.wichorus"
 File "..\..\radius\dictionary.wispr"
 File "..\..\radius\dictionary.xedia"
 File "..\..\radius\dictionary.zyxel"
+!include "custom_radius_dict.txt"
 SetOutPath $INSTDIR
 
 ;
diff --git a/radius/custom.includes b/radius/custom.includes
new file mode 100644
index 00000000000..6f14af0a63c
--- /dev/null
+++ b/radius/custom.includes
@@ -0,0 +1,4 @@
+#
+# Version $Id$
+# Add custom Radius files her in the format $INCLUDE dictionary.foo
+#
diff --git a/radius/dictionary b/radius/dictionary
index 5005ff7f1cd..7c499106fbf 100644
--- a/radius/dictionary
+++ b/radius/dictionary
@@ -212,6 +212,7 @@ $INCLUDE dictionary.wichorus
 $INCLUDE dictionary.wimax
 $INCLUDE dictionary.wispr
 $INCLUDE dictionary.xedia
+$INCLUDE custom.includes
 
 #
 #	And finally the server internal attributes.