diff --git a/src/OPF/opfmodel.jl b/src/OPF/opfmodel.jl
index 21de3e1..1295708 100644
--- a/src/OPF/opfmodel.jl
+++ b/src/OPF/opfmodel.jl
@@ -112,7 +112,7 @@ function opf_model_add_block_constraints(opfmodel::JuMP.Model, opfdata::OPFData,
         @views for t=1:T, k=1:K
             opfdata_c = (k == 1) ? opfdata :
                 opf_loaddata(rawdata;
-                    lineOff = opfdata.lines[rawdata.ctgs_arr[k - 1]],
+                    lineOff = opfdata.lines[rawdata.ctgs_arr[k - 1],:],
                     time_horizon_start = modelinfo.time_horizon_start + t - 1,
                     time_horizon_end = modelinfo.time_horizon_start + t - 1,
                     load_scale = modelinfo.load_scale,
@@ -130,7 +130,7 @@ function opf_model_add_block_constraints(opfmodel::JuMP.Model, opfdata::OPFData,
         @views for t=1:T, k=1:K
             opfdata_c = (k == 1) ? opfdata :
                 opf_loaddata(rawdata;
-                    lineOff = opfdata.lines[rawdata.ctgs_arr[k - 1]],
+                    lineOff = opfdata.lines[rawdata.ctgs_arr[k - 1],:],
                     time_horizon_start = modelinfo.time_horizon_start + t - 1,
                     time_horizon_end = modelinfo.time_horizon_start + t - 1,
                     load_scale = modelinfo.load_scale,
diff --git a/src/backends.jl b/src/backends.jl
index 4817e45..ed7b3db 100644
--- a/src/backends.jl
+++ b/src/backends.jl
@@ -210,7 +210,7 @@ function init!(block::JuMPBlockBackend, algparams::AlgParams)
         end
         opfdata_c = (j == 1) ? opfdata :
             opf_loaddata(block.rawdata;
-            lineOff = opfdata.lines[block.rawdata.ctgs_arr[j - 1]],
+            lineOff = opfdata.lines[block.rawdata.ctgs_arr[j - 1],:],
             time_horizon_start = modelinfo.time_horizon_start + t - 1,
             time_horizon_end = modelinfo.time_horizon_start + t - 1,
             load_scale = modelinfo.load_scale,