diff --git a/test/utils.jl b/test/utils.jl
index 26988bb96..c601f653b 100644
--- a/test/utils.jl
+++ b/test/utils.jl
@@ -26,5 +26,6 @@ end
     symbolic_to_float((1//2 * x)/x) isa Float64
     symbolic_to_float((1/2 * x)/x) isa Float64
     symbolic_to_float((1//2)*√(279//4)) isa Float64
+    symbolic_to_float((big(1)//2)*√(279//4)) isa BigFloat
     symbolic_to_float((-1//2)*√(279//4)) isa Float64
 end