diff --git a/scripts/mk_unix_dist.py b/scripts/mk_unix_dist.py
index 999d495a3..0c28058ed 100644
--- a/scripts/mk_unix_dist.py
+++ b/scripts/mk_unix_dist.py
@@ -58,7 +58,7 @@ def display_help():
 
 # Parse configuration option for mk_make script
 def parse_options():
-    global FORCE_MK, JAVA_ENABLED, GIT_HASH
+    global FORCE_MK, JAVA_ENABLED, GIT_HASH, DOTNET_ENABLED
     path = BUILD_DIR
     options, remainder = getopt.gnu_getopt(sys.argv[1:], 'b:hsf', ['build=', 
                                                                    'help',
diff --git a/scripts/mk_win_dist.py b/scripts/mk_win_dist.py
index 454bba7ca..cee8c0460 100644
--- a/scripts/mk_win_dist.py
+++ b/scripts/mk_win_dist.py
@@ -63,7 +63,7 @@ def display_help():
 
 # Parse configuration option for mk_make script
 def parse_options():
-    global FORCE_MK, JAVA_ENABLED, GIT_HASH
+    global FORCE_MK, JAVA_ENABLED, GIT_HASH, DOTNET_ENABLED
     path = BUILD_DIR
     options, remainder = getopt.gnu_getopt(sys.argv[1:], 'b:hsf', ['build=', 
                                                                    'help',