diff --git a/Project.toml b/Project.toml
index 39d9650f..1dd329c2 100644
--- a/Project.toml
+++ b/Project.toml
@@ -1,7 +1,7 @@
 name = "Tulip"
 uuid = "6dd1b50a-3aae-11e9-10b5-ef983d2400fa"
 authors = ["Mathieu Tanneau <mathieu.tanneau@gmail.com>"]
-version = "0.7.3"
+version = "0.7.4"
 
 [deps]
 CodecBzip2 = "523fee87-0ab8-5b00-afb7-3ecf72e48cfd"
diff --git a/src/Presolve/empty_row.jl b/src/Presolve/empty_row.jl
index e9a9b5bd..9dd20602 100644
--- a/src/Presolve/empty_row.jl
+++ b/src/Presolve/empty_row.jl
@@ -35,7 +35,7 @@ function remove_empty_row!(ps::PresolveData{T}, i::Int) where{T}
         ps.solution.is_dual_ray = true
         ps.solution.z_primal = ps.solution.z_dual = T(Inf)
         i_ = ps.new_con_idx[i]
-        ps.solution.y_upper[i] = one(T)
+        ps.solution.y_upper[i_] = one(T)
         return
     elseif lb > zero(T)
         @debug "Row $i is primal infeasible"
@@ -74,4 +74,4 @@ function postsolve!(sol::Solution{T}, op::EmptyRow{T}) where{T}
     sol.y_lower[op.i] = pos_part(op.y)
     sol.y_upper[op.i] = neg_part(op.y)
     return nothing
-end
\ No newline at end of file
+end
diff --git a/src/Tulip.jl b/src/Tulip.jl
index 0fc89b56..ddef9ff3 100644
--- a/src/Tulip.jl
+++ b/src/Tulip.jl
@@ -7,7 +7,7 @@ using SparseArrays
 
 using TimerOutputs
 
-version() = v"0.7.3"
+version() = v"0.7.4"
 
 include("utils.jl")