diff --git a/Project.toml b/Project.toml
index 2b2f8ef6..8ac63855 100644
--- a/Project.toml
+++ b/Project.toml
@@ -1,6 +1,6 @@
 name = "Unitful"
 uuid = "1986cc42-f94f-5a68-af5c-568840ba703d"
-version = "1.2.0"
+version = "1.2.1"
 
 [deps]
 ConstructionBase = "187b0558-2788-49d3-abe0-74a17ed4e7c9"
diff --git a/src/conversion.jl b/src/conversion.jl
index 5288d70d..53961886 100644
--- a/src/conversion.jl
+++ b/src/conversion.jl
@@ -38,10 +38,9 @@ Find the conversion factor from unit `t` to unit `s`, e.g. `convfact(m,cm) = 0.0
         end
     end
 
-    if denominator(ex) == 1 # Use an integer for conversion if the ratio is whole
-        ex = numerator(ex)  # so that, e.g., uconvert(s, 1minute) = 60s
+    if ex isa Rational && denominator(ex) == 1
+        ex = numerator(ex)
     end
-
     a ≈ 1.0 ? (inex = 1) : (inex = a)
     y = inex * ex
     :($y)
diff --git a/test/runtests.jl b/test/runtests.jl
index 036518b0..b56985f0 100644
--- a/test/runtests.jl
+++ b/test/runtests.jl
@@ -126,6 +126,8 @@ end
         # Issue 26
         @unit altL "altL" altLiter 1000*cm^3 true
         @test convert(Float64, 1altL/cm^3) === 1000.0
+        # Issue 327
+        @test uconvert(u"√cm", 1u"√m") == 10u"√cm"
     end
     @testset "> Unitful ↔ unitful conversion" begin
         @testset ">> Numeric conversion" begin