diff --git a/test/spaces.jl b/test/spaces.jl
index 1ec463cc..850dfffe 100644
--- a/test/spaces.jl
+++ b/test/spaces.jl
@@ -119,9 +119,9 @@ println("------------------------------------")
         @test @constinferred(oneunit(V)) == W == oneunit(typeof(V))
         @test @constinferred(⊕(V, V)) == ℂ^(2d)
         @test_throws SpaceMismatch (⊕(V, V'))
-        @test_throws "promotion of types $(typeof(ℝ^d)) and $(typeof(ℂ^d)) failed to change any arguments" (⊕(ℝ^d,
+        @test_throws ErrorException("promotion of types $(typeof(ℝ^d)) and $(typeof(ℂ^d)) failed to change any arguments") (⊕(ℝ^d,
                                                                                                               ℂ^d))
-        @test_throws "promotion of types $(typeof(ℝ^d)) and $(typeof(ℂ^d)) failed to change any arguments" (⊗(ℝ^d,
+        @test_throws ErrorException("promotion of types $(typeof(ℝ^d)) and $(typeof(ℂ^d)) failed to change any arguments") (⊗(ℝ^d,
                                                                                                               ℂ^d))
         @test @constinferred(⊕(V, V)) == ℂ^(2d)
         @test @constinferred(⊕(V, oneunit(V))) == ℂ^(d + 1)