diff --git a/QP_solver/examples/QP_solver/data_to_mps.C b/QP_solver/examples/QP_solver/data_to_mps.C
index f929ae37987..ab6f593cde9 100644
--- a/QP_solver/examples/QP_solver/data_to_mps.C
+++ b/QP_solver/examples/QP_solver/data_to_mps.C
@@ -116,9 +116,9 @@ public:
     fu_.resize(n, default_fu);
     l_.resize(n, default_l);
     u_.resize(n, default_u);
-    b_.resize(n);
+    b_.resize(m);
     c_.resize(n);
-    row_type_.resize(n);
+    row_type_.resize(m);
 
     if (!read_CONSTRAINTS())
       return;
diff --git a/QP_solver/test/QP_solver/data_to_mps.C b/QP_solver/test/QP_solver/data_to_mps.C
index f929ae37987..ab6f593cde9 100644
--- a/QP_solver/test/QP_solver/data_to_mps.C
+++ b/QP_solver/test/QP_solver/data_to_mps.C
@@ -116,9 +116,9 @@ public:
     fu_.resize(n, default_fu);
     l_.resize(n, default_l);
     u_.resize(n, default_u);
-    b_.resize(n);
+    b_.resize(m);
     c_.resize(n);
-    row_type_.resize(n);
+    row_type_.resize(m);
 
     if (!read_CONSTRAINTS())
       return;