diff --git a/test/common_interface/callbacks.jl b/test/common_interface/callbacks.jl
index ff540e8..a2e6a37 100644
--- a/test/common_interface/callbacks.jl
+++ b/test/common_interface/callbacks.jl
@@ -58,7 +58,7 @@ times_finalize_called = 0
 cb = DiscreteCallback(condition2, affect2!, finalize=(args...)->global times_finalize_called+=1)
 sol = solve(prob, CVODE_BDF(); callback = cb)
 @test sol.t[end] < 3.5
-@test times_finalize_called = 1
+@test times_finalize_called == 1
 
 condition3(u, t, integrator) = u[2]
 affect3!(integrator) = terminate!(integrator)