diff --git a/src/arb/acb_poly.jl b/src/arb/acb_poly.jl
index c7e01c397..6e52240f4 100644
--- a/src/arb/acb_poly.jl
+++ b/src/arb/acb_poly.jl
@@ -623,8 +623,8 @@ function roots(x::AcbPolyRingElem; target=0, isolate_real=false, initial_prec=0,
         if real_ok
           for i = 0 : deg - 1
             im = _imag_ptr(roots + i * sizeof(acb_struct))
-            if ccall((:arb_contains_zero, libflint), Bool, (Ptr{ArbFieldElem}, ), im)
-              zero!(im)
+            if ccall((:arb_contains_zero, libflint), Bool, (Ptr{acb_struct}, ), im)
+              ccall((:arb_zero, libflint), Nothing, (Ptr{acb_struct}, ), im)
             end
           end
         end