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-rw-r--r--src/libmime/mime_expressions.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/libmime/mime_expressions.c b/src/libmime/mime_expressions.c
index ff9f2b24e..036620984 100644
--- a/src/libmime/mime_expressions.c
+++ b/src/libmime/mime_expressions.c
@@ -520,7 +520,7 @@ rspamd_mime_expr_parse (const gchar *line, gsize len,
/* Function */
state = got_obrace;
}
- else if (!g_ascii_isalnum (t) && t != '_' && t != '-') {
+ else if (!g_ascii_isalnum (t) && t != '_' && t != '-' && t != '=') {
/* Likely lua function, identified by just a string */
type = MIME_ATOM_LUA_FUNCTION;
state = end_atom;