diff --git a/flamingo/flamingo.h b/flamingo/flamingo.h
index 4568d7c..c444e9c 100644
--- a/flamingo/flamingo.h
+++ b/flamingo/flamingo.h
@@ -40,7 +40,7 @@ struct flamingo_val_t {
 
 	union {
 		struct {
-			bool val;
+			bool boolean;
 		} boolean;
 
 		struct {
diff --git a/flamingo/grammar/assert.h b/flamingo/grammar/assert.h
index 211d9cf..cfc52f2 100644
--- a/flamingo/grammar/assert.h
+++ b/flamingo/grammar/assert.h
@@ -34,7 +34,7 @@ static int parse_assert(flamingo_t* flamingo, TSNode node) {
 	char const* const test_str = flamingo->src + start;
 	size_t const test_size = end - start;
 
-	if (!val->boolean.val) {
+	if (!val->boolean.boolean) {
 		return error(flamingo, "assertion test '%.*s' failed", (int) test_size, test_str);
 	}
 
diff --git a/flamingo/grammar/binary_expr.h b/flamingo/grammar/binary_expr.h
index bac6d27..666a411 100644
--- a/flamingo/grammar/binary_expr.h
+++ b/flamingo/grammar/binary_expr.h
@@ -90,12 +90,12 @@ static int parse_binary_expr(flamingo_t* flamingo, TSNode node, flamingo_val_t**
 		(*val)->kind = FLAMINGO_VAL_KIND_BOOL;
 
 		if (strncmp(op, "==", op_size) == 0) {
-			(*val)->boolean.val = same_types;
+			(*val)->boolean.boolean = same_types;
 			goto done;
 		}
 
 		if (strncmp(op, "!=", op_size) == 0) {
-			(*val)->boolean.val = !same_types;
+			(*val)->boolean.boolean = !same_types;
 			goto done;
 		}
 
@@ -153,37 +153,37 @@ static int parse_binary_expr(flamingo_t* flamingo, TSNode node, flamingo_val_t**
 
 		if (strncmp(op, "==", op_size) == 0) {
 			(*val)->kind = FLAMINGO_VAL_KIND_BOOL;
-			(*val)->boolean.val = left_val->integer.integer == right_val->integer.integer;
+			(*val)->boolean.boolean = left_val->integer.integer == right_val->integer.integer;
 			goto done;
 		}
 
 		if (strncmp(op, "!=", op_size) == 0) {
 			(*val)->kind = FLAMINGO_VAL_KIND_BOOL;
-			(*val)->boolean.val = left_val->integer.integer != right_val->integer.integer;
+			(*val)->boolean.boolean = left_val->integer.integer != right_val->integer.integer;
 			goto done;
 		}
 
 		if (strncmp(op, "<", op_size) == 0) {
 			(*val)->kind = FLAMINGO_VAL_KIND_BOOL;
-			(*val)->boolean.val = left_val->integer.integer < right_val->integer.integer;
+			(*val)->boolean.boolean = left_val->integer.integer < right_val->integer.integer;
 			goto done;
 		}
 
 		if (strncmp(op, "<=", op_size) == 0) {
 			(*val)->kind = FLAMINGO_VAL_KIND_BOOL;
-			(*val)->boolean.val = left_val->integer.integer <= right_val->integer.integer;
+			(*val)->boolean.boolean = left_val->integer.integer <= right_val->integer.integer;
 			goto done;
 		}
 
 		if (strncmp(op, ">", op_size) == 0) {
 			(*val)->kind = FLAMINGO_VAL_KIND_BOOL;
-			(*val)->boolean.val = left_val->integer.integer > right_val->integer.integer;
+			(*val)->boolean.boolean = left_val->integer.integer > right_val->integer.integer;
 			goto done;
 		}
 
 		if (strncmp(op, ">=", op_size) == 0) {
 			(*val)->kind = FLAMINGO_VAL_KIND_BOOL;
-			(*val)->boolean.val = left_val->integer.integer >= right_val->integer.integer;
+			(*val)->boolean.boolean = left_val->integer.integer >= right_val->integer.integer;
 			goto done;
 		}
 	}
@@ -193,19 +193,19 @@ static int parse_binary_expr(flamingo_t* flamingo, TSNode node, flamingo_val_t**
 
 		if (strncmp(op, "&&", op_size) == 0) {
 			(*val)->kind = FLAMINGO_VAL_KIND_BOOL;
-			(*val)->boolean.val = left_val->boolean.val && right_val->boolean.val;
+			(*val)->boolean.boolean = left_val->boolean.boolean && right_val->boolean.boolean;
 			goto done;
 		}
 
 		if (strncmp(op, "||", op_size) == 0) {
 			(*val)->kind = FLAMINGO_VAL_KIND_BOOL;
-			(*val)->boolean.val = left_val->boolean.val || right_val->boolean.val;
+			(*val)->boolean.boolean = left_val->boolean.boolean || right_val->boolean.boolean;
 			goto done;
 		}
 
 		if (strncmp(op, "^^", op_size) == 0) {
 			(*val)->kind = FLAMINGO_VAL_KIND_BOOL;
-			(*val)->boolean.val = (!!left_val->boolean.val) ^ (!!right_val->boolean.val);
+			(*val)->boolean.boolean = (!!left_val->boolean.boolean) ^ (!!right_val->boolean.boolean);
 			goto done;
 		}
 
@@ -213,13 +213,13 @@ static int parse_binary_expr(flamingo_t* flamingo, TSNode node, flamingo_val_t**
 
 		if (strncmp(op, "==", op_size) == 0) {
 			(*val)->kind = FLAMINGO_VAL_KIND_BOOL;
-			(*val)->boolean.val = left_val->boolean.val == right_val->boolean.val;
+			(*val)->boolean.boolean = left_val->boolean.boolean == right_val->boolean.boolean;
 			goto done;
 		}
 
 		if (strncmp(op, "!=", op_size) == 0) {
 			(*val)->kind = FLAMINGO_VAL_KIND_BOOL;
-			(*val)->boolean.val = left_val->boolean.val != right_val->boolean.val;
+			(*val)->boolean.boolean = left_val->boolean.boolean != right_val->boolean.boolean;
 			goto done;
 		}
 	}
@@ -245,13 +245,13 @@ static int parse_binary_expr(flamingo_t* flamingo, TSNode node, flamingo_val_t**
 
 		if (strncmp(op, "==", op_size) == 0) {
 			(*val)->kind = FLAMINGO_VAL_KIND_BOOL;
-			(*val)->boolean.val = left_val->str.size == right_val->str.size && memcmp(left_val->str.str, right_val->str.str, left_val->str.size) == 0;
+			(*val)->boolean.boolean = left_val->str.size == right_val->str.size && memcmp(left_val->str.str, right_val->str.str, left_val->str.size) == 0;
 			goto done;
 		}
 
 		if (strncmp(op, "!=", op_size) == 0) {
 			(*val)->kind = FLAMINGO_VAL_KIND_BOOL;
-			(*val)->boolean.val = left_val->str.size != right_val->str.size || memcmp(left_val->str.str, right_val->str.str, left_val->str.size) != 0;
+			(*val)->boolean.boolean = left_val->str.size != right_val->str.size || memcmp(left_val->str.str, right_val->str.str, left_val->str.size) != 0;
 			goto done;
 		}
 	}
diff --git a/flamingo/grammar/literal.h b/flamingo/grammar/literal.h
index 53a4e44..480c1b7 100644
--- a/flamingo/grammar/literal.h
+++ b/flamingo/grammar/literal.h
@@ -29,7 +29,7 @@ static int parse_literal(flamingo_t* flamingo, TSNode node, flamingo_val_t** val
 
 	if (strcmp(type, "bool") == 0) {
 		(*val)->kind = FLAMINGO_VAL_KIND_BOOL;
-		(*val)->boolean.val = *(flamingo->src + ts_node_start_byte(child)) == 't';
+		(*val)->boolean.boolean = *(flamingo->src + ts_node_start_byte(child)) == 't';
 
 		return 0;
 	}
diff --git a/flamingo/grammar/print.h b/flamingo/grammar/print.h
index 895bb18..b7dd0dc 100644
--- a/flamingo/grammar/print.h
+++ b/flamingo/grammar/print.h
@@ -34,7 +34,7 @@ static int parse_print(flamingo_t* flamingo, TSNode node) {
 		printf("<none>\n");
 		break;
 	case FLAMINGO_VAL_KIND_BOOL:
-		printf("%s\n", val->boolean.val ? "true" : "false");
+		printf("%s\n", val->boolean.boolean ? "true" : "false");
 		break;
 	case FLAMINGO_VAL_KIND_INT:
 		printf("%ld\n", val->integer.integer);