diff --git a/t/custom_gcode.t b/t/custom_gcode.t
index 5d3602483..6a930a38a 100644
--- a/t/custom_gcode.t
+++ b/t/custom_gcode.t
@@ -87,8 +87,8 @@ use Slic3r::Test;
     is $parser->evaluate_boolean_expression('(12 == 12) and not (13 == 14)'),                1, 'boolean expression parser: (12 == 12) and not (13 == 14)';
     is $parser->evaluate_boolean_expression('(12 == 12) ? (1 - 1 == 0) : (2 * 2 == 3)'),     1, 'boolean expression parser: ternary true';
     is $parser->evaluate_boolean_expression('(12 == 21/2) ? (1 - 1 == 0) : (2 * 2 == 3)'),   0, 'boolean expression parser: ternary false';
-    is $parser->evaluate_boolean_expression('(12 == 13) ? (1 - 1 == 3) : (2 * 2 == 4)"'),    1, 'boolean expression parser: ternary false';
-    is $parser->evaluate_boolean_expression('(12 == 2 * 6) ? (1 - 1 == 3) : (2 * 2 == 4)"'), 0, 'boolean expression parser: ternary true';
+    is $parser->evaluate_boolean_expression('(12 == 13) ? (1 - 1 == 3) : (2 * 2 == 4)'),     1, 'boolean expression parser: ternary false';
+    is $parser->evaluate_boolean_expression('(12 == 2 * 6) ? (1 - 1 == 3) : (2 * 2 == 4)'),  0, 'boolean expression parser: ternary true';
     is $parser->evaluate_boolean_expression('12 < 3'), 0, 'boolean expression parser: lower than - false';
     is $parser->evaluate_boolean_expression('12 < 22'), 1, 'boolean expression parser: lower than - true';
     is $parser->evaluate_boolean_expression('12 > 3'), 1, 'boolean expression parser: lower than - true';