diff --git a/src/FixedPointDecimals.jl b/src/FixedPointDecimals.jl
index 25c432e..1906b88 100644
--- a/src/FixedPointDecimals.jl
+++ b/src/FixedPointDecimals.jl
@@ -727,7 +727,7 @@ end
 
 (::Type{T})(x::FD) where {T<:Union{AbstractFloat,Integer,Rational}} = convert(T, x)
 # Need to avoid ambiguity:
-Bool(x::FD) = convert(Bool, x)
+Base.Bool(x::FD) = convert(Bool, x)
 
 Base.promote_rule(::Type{FD{T, f}}, ::Type{<:Integer}) where {T, f} = FD{T, f}
 Base.promote_rule(::Type{<:FD}, ::Type{TF}) where {TF <: AbstractFloat} = TF