diff --git a/inference-engine/src/low_precision_transformations/src/mat_mul.cpp b/inference-engine/src/low_precision_transformations/src/mat_mul.cpp
index 5fc9ac4794d..e7ccf91639a 100644
--- a/inference-engine/src/low_precision_transformations/src/mat_mul.cpp
+++ b/inference-engine/src/low_precision_transformations/src/mat_mul.cpp
@@ -151,6 +151,9 @@ bool MatMulTransformation::canBeTransformed(const TransformationContext& context
         }
 
         std::shared_ptr<opset1::MatMul> matMul = as_type_ptr<opset1::MatMul>(layer);
+        if (matMul == nullptr) {
+            return false;
+        }
         const size_t channelIndex1 = matMul->get_transpose_a() ? 0 : 1;
         const size_t channelIndex2 = matMul->get_transpose_b() ? 1 : 0;
 
diff --git a/inference-engine/src/low_precision_transformations/src/transpose.cpp b/inference-engine/src/low_precision_transformations/src/transpose.cpp
index 649e36f4895..f164fa85d7a 100644
--- a/inference-engine/src/low_precision_transformations/src/transpose.cpp
+++ b/inference-engine/src/low_precision_transformations/src/transpose.cpp
@@ -31,7 +31,7 @@ void transposeDequantizationConstant(std::shared_ptr<Node>& transpose) {
     }
 
     if (dequantization.multiply->get_input_node_ptr(1)->get_output_shape(0).size() > 1ul) {
-        auto transposeConstant = [](
+        auto transposeDeqConstant = [](
             std::shared_ptr<Node> dequantizationConstant,
             const Shape& transposeOutputShape,
             const std::shared_ptr<Node>& transposeConstant) -> std::shared_ptr<Node> {
@@ -49,7 +49,7 @@ void transposeDequantizationConstant(std::shared_ptr<Node>& transpose) {
         };
 
         if (dequantization.subtract != nullptr) {
-            auto constant = transposeConstant(
+            auto constant = transposeDeqConstant(
                 dequantization.subtract->get_input_node_shared_ptr(1),
                 transpose->get_output_shape(0),
                 transpose->get_input_node_shared_ptr(1));
@@ -61,7 +61,7 @@ void transposeDequantizationConstant(std::shared_ptr<Node>& transpose) {
         }
 
         if (dequantization.multiply != nullptr) {
-            auto constant = transposeConstant(
+            auto constant = transposeDeqConstant(
                 dequantization.multiply->get_input_node_shared_ptr(1),
                 transpose->get_output_shape(0),
                 transpose->get_input_node_shared_ptr(1));