diff --git a/benchmark/benchmark_abstract_operations.jl b/benchmark/benchmark_abstract_operations.jl
index 25755357f0..0ef0e686dd 100644
--- a/benchmark/benchmark_abstract_operations.jl
+++ b/benchmark/benchmark_abstract_operations.jl
@@ -48,7 +48,7 @@ for arch in archs
         "cos(γ)"  => cos(γ),
         "exp(δ)"  => exp(δ),
         "tanh(ζ)" => tanh(ζ),
-        "α + β"             => α - β,
+        "α - β"             => α - β,
         "α + β - γ"         => α + β - γ,
         "α * β * γ * δ"     => α * β * γ * δ,
         "α * β - γ * δ / ζ" => α * β - γ * δ / ζ,