diff --git a/stdlib/LinearAlgebra/src/generic.jl b/stdlib/LinearAlgebra/src/generic.jl
index 0c52c666293ef..b495b6b3876a3 100644
--- a/stdlib/LinearAlgebra/src/generic.jl
+++ b/stdlib/LinearAlgebra/src/generic.jl
@@ -123,7 +123,7 @@ macro stable_muladdmul(expr)
     throw(ArgumentError("No valid MulAddMul expression found."))
 end
 
-MulAddMul() = MulAddMul{true,true}(true, false)
+MulAddMul() = MulAddMul{true,true,Bool,Bool}(true, false)
 
 @inline (::MulAddMul{true})(x) = x
 @inline (p::MulAddMul{false})(x) = x * p.alpha