diff --git a/grammar.js b/grammar.js
index 21d78b6..c6fa8f1 100644
--- a/grammar.js
+++ b/grammar.js
@@ -143,7 +143,7 @@ module.exports = grammar({
 		assignment: $ => seq(field("left", choice($.access, $.identifier)), "=", field("right", $.expression)),
 
 		unary_operator: _ => choice("-", "!"),
-		unary_expression: $ => seq(field("operator", $.unary_operator), field("expression", $.expression)),
+		unary_expression: $ => seq(field("operator", $.unary_operator), field("operand", $.expression)),
 
 		power_operator: _ => "**",
 		multiplicative_operator: _ => choice("*", "/", "%"),
diff --git a/src/grammar.json b/src/grammar.json
index 8e93477..53273c0 100644
--- a/src/grammar.json
+++ b/src/grammar.json
@@ -1125,7 +1125,7 @@
 				},
 				{
 					"type": "FIELD",
-					"name": "expression",
+					"name": "operand",
 					"content": {
 						"type": "SYMBOL",
 						"name": "expression"
diff --git a/src/node-types.json b/src/node-types.json
index 9c8344f..2a1b5f0 100644
--- a/src/node-types.json
+++ b/src/node-types.json
@@ -845,7 +845,7 @@
 		"type": "unary_expression",
 		"named": true,
 		"fields": {
-			"expression": {
+			"operand": {
 				"multiple": false,
 				"required": true,
 				"types": [
diff --git a/src/parser.c b/src/parser.c
index f907da6..382c9ca 100644
--- a/src/parser.c
+++ b/src/parser.c
@@ -11,7 +11,7 @@
 #define ALIAS_COUNT 0
 #define TOKEN_COUNT 59
 #define EXTERNAL_TOKEN_COUNT 0
-#define FIELD_COUNT 27
+#define FIELD_COUNT 28
 #define MAX_ALIAS_SEQUENCE_LENGTH 9
 #define PRODUCTION_ID_COUNT 51
 
@@ -776,19 +776,20 @@ enum ts_field_identifiers {
   field_left = 12,
   field_msg = 13,
   field_name = 14,
-  field_operator = 15,
-  field_params = 16,
-  field_path = 17,
-  field_qualifiers = 18,
-  field_relative = 19,
-  field_rest = 20,
-  field_ret_type = 21,
-  field_right = 22,
-  field_rv = 23,
-  field_slice_begin = 24,
-  field_slice_end = 25,
-  field_test = 26,
-  field_type = 27,
+  field_operand = 15,
+  field_operator = 16,
+  field_params = 17,
+  field_path = 18,
+  field_qualifiers = 19,
+  field_relative = 20,
+  field_rest = 21,
+  field_ret_type = 22,
+  field_right = 23,
+  field_rv = 24,
+  field_slice_begin = 25,
+  field_slice_end = 26,
+  field_test = 27,
+  field_type = 28,
 };
 
 static const char * const ts_field_names[] = {
@@ -807,6 +808,7 @@ static const char * const ts_field_names[] = {
   [field_left] = "left",
   [field_msg] = "msg",
   [field_name] = "name",
+  [field_operand] = "operand",
   [field_operator] = "operator",
   [field_params] = "params",
   [field_path] = "path",
@@ -889,7 +891,7 @@ static const TSFieldMapEntry ts_field_map_entries[] = {
   [5] =
     {field_rv, 1},
   [6] =
-    {field_expression, 1},
+    {field_operand, 1},
     {field_operator, 0},
   [8] =
     {field_body, 1},
diff --git a/test/corpus/unary.txt b/test/corpus/unary.txt
index 32c0753..f1a08aa 100644
--- a/test/corpus/unary.txt
+++ b/test/corpus/unary.txt
@@ -13,7 +13,7 @@ Unary operators
 		(expression
 			(unary_expression
 				operator: (unary_operator)
-				expression: (expression
+				operand: (expression
 					(literal
 						(number)
 					)
@@ -33,7 +33,7 @@ Unary operators
 				right: (expression
 					(unary_expression
 						operator: (unary_operator)
-						expression: (expression
+						operand: (expression
 							(literal
 								(number)
 							)