diff --git a/src/search/lp/lp_solver.cc b/src/search/lp/lp_solver.cc
index c0b9851638..08ac82b901 100644
--- a/src/search/lp/lp_solver.cc
+++ b/src/search/lp/lp_solver.cc
@@ -180,7 +180,7 @@ void LPSolver::set_variable_lower_bound(int index, double bound) {
 }
 
 void LPSolver::set_variable_upper_bound(int index, double bound) {
-    pimpl->set_constraint_upper_bound(index, bound);
+    pimpl->set_variable_upper_bound(index, bound);
 }
 
 void LPSolver::set_mip_gap(double gap) {