diff --git a/tests/error/misc_errors/unsupported_const.err b/tests/error/misc_errors/unsupported_const.err
index baf3536d..20810ec4 100644
--- a/tests/error/misc_errors/unsupported_const.err
+++ b/tests/error/misc_errors/unsupported_const.err
@@ -1,8 +1,8 @@
-Error: Unsupported constant (at $FILE:7:8)
+Error: Unsupported constant (at $FILE:6:9)
   | 
-5 | @compile_guppy
-6 | def foo() -> None:
-7 |     x = "foo"
-  |         ^^^^^ Type `str` is not supported
+4 | @compile_guppy
+5 | def foo() -> None:
+6 |     x = -2j
+  |          ^^ Type `complex` is not supported
 
 Guppy compilation failed due to 1 previous error
diff --git a/tests/error/misc_errors/unsupported_const.py b/tests/error/misc_errors/unsupported_const.py
index 1959d05b..928f4948 100644
--- a/tests/error/misc_errors/unsupported_const.py
+++ b/tests/error/misc_errors/unsupported_const.py
@@ -1,7 +1,6 @@
-from guppylang.std.builtins import array
 from tests.util import compile_guppy
 
 
 @compile_guppy
 def foo() -> None:
-    x = "foo"
+    x = -2j