diff --git a/Project.toml b/Project.toml
index 0d096d9..3a4cdfb 100644
--- a/Project.toml
+++ b/Project.toml
@@ -1,6 +1,6 @@
 name = "ReverseDiff"
 uuid = "37e2e3b7-166d-5795-8a7a-e32c996b4267"
-version = "1.16.0"
+version = "1.16.1"
 
 [deps]
 ChainRulesCore = "d360d2e6-b24c-11e9-a2a3-2a2ae2dbcce4"
diff --git a/src/ReverseDiff.jl b/src/ReverseDiff.jl
index cfb4cb0..0c99f06 100644
--- a/src/ReverseDiff.jl
+++ b/src/ReverseDiff.jl
@@ -26,7 +26,7 @@ using ChainRulesCore
 const ARRAY_TYPES = (:AbstractArray, :AbstractVector, :AbstractMatrix, :Array, :Vector, :Matrix)
 const REAL_TYPES = (:Bool, :Integer, :AbstractIrrational, :Rational, :BigFloat, :BigInt, :AbstractFloat, :Real, :Dual)
 
-const SKIPPED_UNARY_SCALAR_FUNCS  = Symbol[:isinf, :isnan, :isfinite, :iseven, :isodd, :isreal, :isinteger]
+const SKIPPED_UNARY_SCALAR_FUNCS  = Symbol[:isinf, :isnan, :isfinite, :iseven, :isodd, :isreal, :isinteger, :exponent]
 const SKIPPED_BINARY_SCALAR_FUNCS = Symbol[:isequal, :isless, :<, :>, :(==), :(!=), :(<=), :(>=)]
 
 # Some functions with derivatives in DiffRules are not supported