diff --git a/CMakeLists.txt b/CMakeLists.txt
index 84897728..147615a5 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -89,12 +89,12 @@ endif()
 # MAIN BUILD CODE \
 ###################\
 
-file(STRINGS "mod_options.txt" MOD_OPTIONS_STRINGS REGEX "^([A-Za-z0-9_]+)=([A-Za-z0-9_]+)\ \#\ (.*)$")
+file(STRINGS "mod_options.txt" MOD_OPTIONS_STRINGS REGEX "^([A-Za-z0-9_-]+)=([A-Za-z0-9_-]+)\ \#\ (.*)$")
 foreach(LINE IN LISTS MOD_OPTIONS_STRINGS)
 	# file() itself doesn't populate CMAKE_MATCH_<n>, so
 	# reparse the string
 
-	if(${LINE} MATCHES "^([A-Za-z0-9_]+)=([A-Za-z0-9_]+)\ \#\ (.*)$")
+	if(${LINE} MATCHES "^([A-Za-z0-9_-]+)=([A-Za-z0-9_-]+)\ \#\ (.*)$")
 		# detect boolean options
 		if(${CMAKE_MATCH_2} STREQUAL "ON" OR ${CMAKE_MATCH_2} STREQUAL "OFF")
 			option(${CMAKE_MATCH_1} "${CMAKE_MATCH_3}" ${CMAKE_MATCH_2})
diff --git a/wscript b/wscript
index 4e5503ed..6163e793 100644
--- a/wscript
+++ b/wscript
@@ -210,7 +210,7 @@ def configure(conf):
 		conf.define('LINUX', True)
 
 	conf.msg(msg='-> processing mod options', result='...', color='BLUE')
-	regex = re.compile('^([A-Za-z0-9_]+)=([A-Za-z0-9_]+)\ \#\ (.*)$')
+	regex = re.compile('^([A-Za-z0-9_-]+)=([A-Za-z0-9_-]+)\ \#\ (.*)$')
 	with open(str(conf.path.make_node('mod_options.txt'))) as fd:
 		lines = fd.readlines()
 	for line in lines: