diff --git a/openbr/plugins/format.cpp b/openbr/plugins/format.cpp
index 6e0800d..62d7a73 100644
--- a/openbr/plugins/format.cpp
+++ b/openbr/plugins/format.cpp
@@ -418,7 +418,9 @@ class matFormat : public Format
                 }
 
                 if ((rows > 0) && (columns > 0) && (matrixType != 0) && !matrixData.isEmpty()) {
-                    t.append(Mat(rows, columns, matrixType, matrixData.data()));
+                    Mat transposed;
+                    transpose(Mat(columns, rows, matrixType, matrixData.data()), transposed);
+                    t.append(transposed);
                 }
             }
         }