diff --git a/compiler/tflite2circle/src/TFLOperator.lst b/compiler/tflite2circle/src/TFLOperator.lst
index cbe171e006c..853f86d1db3 100644
--- a/compiler/tflite2circle/src/TFLOperator.lst
+++ b/compiler/tflite2circle/src/TFLOperator.lst
@@ -153,3 +153,4 @@ TFL_OPERATOR(BROADCAST_ARGS)
 TFL_OPERATOR(RANDOM_STANDARD_NORMAL)
 TFL_OPERATOR(GELU)
 TFL_OPERATOR(RELU_0_TO_1)
+TFL_OPERATOR(SIGN)