diff --git a/src/fst/filters/Makefile.am b/src/fst/filters/Makefile.am
index 4724b67d..916ebfac 100644
--- a/src/fst/filters/Makefile.am
+++ b/src/fst/filters/Makefile.am
@@ -20,12 +20,14 @@
 
 # List any local filter regex files here:
 GIELLA_FILTER_LOCAL_REGEX_SRCS=\
-					downcase_UCletters.regex\
-					remove-derivation-position-tags.regex \
+					downcase_UCletters.regex \
+					make-optional-cyrillic-jo.regex \
+					make-ambiguous-AnIn.regex \
+					make-ambiguous-MFN.regex \
 					remove-DNorm-tags.regex \
+					remove-derivation-position-tags.regex \
 					remove-norm-comp-tags.regex \
 					rename-POS_before_Der-tags.regex
-
 # List any local filter xfscript files here:
 GIELLA_FILTER_LOCAL_XFSCRIPT_SRCS=