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-rw-r--r--src/libmime/mime_expressions.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/libmime/mime_expressions.c b/src/libmime/mime_expressions.c
index 411c301eb..6a422e82e 100644
--- a/src/libmime/mime_expressions.c
+++ b/src/libmime/mime_expressions.c
@@ -836,6 +836,7 @@ rspamd_mime_expr_process (gpointer input, rspamd_expression_atom_t *atom)
mime_atom->d.lua_function,
mime_atom->str,
lua_tostring (L, -1));
+ lua_pop (L, 1);
}
else {
if (lua_type (L, -1) == LUA_TBOOLEAN) {