diff --git a/baron/grammator.py b/baron/grammator.py
index 78edd0cd..0fdacd43 100644
--- a/baron/grammator.py
+++ b/baron/grammator.py
@@ -619,6 +619,7 @@ def testlist1(pack):
     @pg.production("atom : BINARY")
     @pg.production("atom : FLOAT")
     @pg.production("atom : FLOAT_EXPONANT")
+    @pg.production("atom : FLOAT_EXPONANT_COMPLEX")
     @pg.production("atom : COMPLEX")
     def int(pack):
         (int_,) = pack