diff --git a/src/parts/slice_select_rephases.jl b/src/parts/slice_select_rephases.jl
index 5f291cb02edd9d06f03c0eed166d1b13f673d8ed..94a7bfa19187491e136ee9cc110bee2b9afccf98 100644
--- a/src/parts/slice_select_rephases.jl
+++ b/src/parts/slice_select_rephases.jl
@@ -24,9 +24,9 @@ function SliceSelectRephase(pulse::RFPulseComponent; orientation=nothing, group=
         Trapezoid(; orientation=rephase_orientation, group=group, kwargs...)
     )
     if N == 1
-        apply_simple_constraint!(qval(res.slice_select, :pulse, nothing), qval(res.rephase))
+        apply_simple_constraint!(variables.qval(res.slice_select, :pulse, nothing), variables.qval(res.rephase))
     else
-        apply_simple_constraint!(qval(res.slice_select, :pulse, nothing), -qval(res.rephase))
+        apply_simple_constraint!(variables.qval(res.slice_select, :pulse, nothing), -variables.qval(res.rephase))
     end
     return res
 end