diff --git a/src/backends/inspectdr.jl b/src/backends/inspectdr.jl
index da7bc144..7d09045a 100644
--- a/src/backends/inspectdr.jl
+++ b/src/backends/inspectdr.jl
@@ -245,7 +245,7 @@ function _series_added(plt::Plot{InspectDRBackend}, series::Series)
     #No support for polar grid... but can still perform polar transformation:
     if ispolar(sp)
         Θ = x; r = y
-        x = r.*cos(Θ); y = r.*sin(Θ)
+        x = r.*cos.(Θ); y = r.*sin.(Θ)
     end
 
     # doesn't handle mismatched x/y - wrap data (pyplot behaviour):
diff --git a/src/backends/plotly.jl b/src/backends/plotly.jl
index e06f4151..96c54c9c 100644
--- a/src/backends/plotly.jl
+++ b/src/backends/plotly.jl
@@ -717,7 +717,7 @@ end
 function plotly_polar!(d_out::KW, series::Series)
     # convert polar plots x/y to theta/radius
     if ispolar(series[:subplot])
-        d_out[:t] = rad2deg(pop!(d_out, :x))
+        d_out[:t] = rad2deg.(pop!(d_out, :x))
         d_out[:r] = pop!(d_out, :y)
     end
 end