diff --git a/src/utils/Utils.cpp b/src/utils/Utils.cpp
index 09df5ec5d95c2e48200706969a4aa2ec58ef3213..3be0ab365730ca8ea57a3eb63e0a5a2083c5b589 100644
--- a/src/utils/Utils.cpp
+++ b/src/utils/Utils.cpp
@@ -61,9 +61,9 @@ static Aidge::DataType CVtoAidge(const int matDepth) {
 
 std::shared_ptr<Aidge::Tensor> Aidge::tensorOpencv(cv::Mat mat) {
     // Get Mat dims
-    const std::vector<DimSize_t> matDims = std::vector<DimSize_t>({static_cast<DimSize_t>(mat.cols),
+    const std::vector<DimSize_t> matDims = std::vector<DimSize_t>({static_cast<DimSize_t>(mat.channels()),
                                                             static_cast<DimSize_t>(mat.rows),
-                                                            static_cast<DimSize_t>(mat.channels())});
+                                                            static_cast<DimSize_t>(mat.cols)});
     // Get the correct Data Type
     Aidge::DataType type;
     type = CVtoAidge(mat.depth());
diff --git a/unit_tests/Tests_Utils.cpp b/unit_tests/Tests_Utils.cpp
index 5f6cd7103c1afaa673898d71db6c5c05fdfd1bfe..28a697b57aa3fea21c78c8e3e5fc719afcb60e3d 100644
--- a/unit_tests/Tests_Utils.cpp
+++ b/unit_tests/Tests_Utils.cpp
@@ -61,9 +61,10 @@ TEMPLATE_TEST_CASE("Opencv Utils", "[Utils][OpenCV]", signed char, unsigned char
             auto tensorOcv = tensorOpencv(mat);
 
             // Check the size of the tensor
+            REQUIRE(mat.channels() == tensorOcv->dims()[0]);
             REQUIRE(mat.rows == tensorOcv->dims()[1]);
-            REQUIRE(mat.cols == tensorOcv->dims()[0]);
-            REQUIRE(mat.channels() == tensorOcv->dims()[2]);
+            REQUIRE(mat.cols == tensorOcv->dims()[2]);
+            
 
             //Get the matrix inside the tensor
             TensorImpl_opencv_* tImpl_opencv = dynamic_cast<TensorImpl_opencv_*>(tensorOcv->getImpl().get());