diff --git a/modules/dnn/src/layer.cpp b/modules/dnn/src/layer.cpp
index f1f1a42e59..6d42cbd867 100644
--- a/modules/dnn/src/layer.cpp
+++ b/modules/dnn/src/layer.cpp
@@ -260,12 +260,14 @@ void Layer::getTypes(const std::vector<MatType>&inputs,
 {
     CV_Assert(inputs.size());
     for (auto input : inputs)
+    {
         if (preferableTarget == DNN_TARGET_CUDA_FP16 || preferableTarget == DNN_TARGET_CUDA)
             CV_CheckTypeEQ(input, CV_32F, "");
         else if (preferableTarget == DNN_TARGET_OPENCL_FP16)
             CV_CheckType(input, input == CV_16F || input == CV_8S, "");
         else
             CV_CheckType(input, input == CV_32F || input == CV_8S, "");
+    }
 
     outputs.assign(requiredOutputs, inputs[0]);
     internals.assign(requiredInternals, inputs[0]);
diff --git a/modules/dnn/src/layers/permute_layer.cpp b/modules/dnn/src/layers/permute_layer.cpp
index df2706b8f0..cd07c4da73 100644
--- a/modules/dnn/src/layers/permute_layer.cpp
+++ b/modules/dnn/src/layers/permute_layer.cpp
@@ -186,12 +186,14 @@ public:
     {
         CV_Assert(inputs.size());
         for (auto input : inputs)
+        {
             if (preferableTarget == DNN_TARGET_CUDA_FP16 || preferableTarget == DNN_TARGET_CUDA)
                 CV_CheckTypeEQ(input, CV_32F, "Unsupported type");
             else if (preferableTarget == DNN_TARGET_OPENCL_FP16)
                 CV_CheckType(input, input == CV_16F || input == CV_8S || input == CV_32S, "");
             else
                 CV_CheckType(input, input == CV_32F || input == CV_8S || input == CV_32S, "");
+        }
 
         outputs.assign(requiredOutputs, inputs[0]);
     }
diff --git a/modules/dnn/src/layers/reorg_layer.cpp b/modules/dnn/src/layers/reorg_layer.cpp
index 489234ae1e..5d6a694849 100644
--- a/modules/dnn/src/layers/reorg_layer.cpp
+++ b/modules/dnn/src/layers/reorg_layer.cpp
@@ -109,12 +109,14 @@ public:
     {
         CV_Assert(inputs.size());
         for (auto input : inputs)
+        {
             if (preferableTarget == DNN_TARGET_CUDA_FP16 || preferableTarget == DNN_TARGET_CUDA)
                 CV_CheckTypeEQ(input, CV_32F, "Unsupported type for CUDA");
             else if (preferableTarget == DNN_TARGET_OPENCL_FP16)
                 CV_CheckType(input, input == CV_16F || input == CV_8S || input == CV_32S || input == CV_64S, "");
             else
                 CV_CheckType(input, input == CV_32F || input == CV_8S || input == CV_32S || input == CV_64S, "");
+        }
 
         outputs.assign(requiredOutputs, inputs[0]);
     }
diff --git a/modules/dnn/src/layers/reshape_layer.cpp b/modules/dnn/src/layers/reshape_layer.cpp
index 2e35f050fc..cdd96d139b 100644
--- a/modules/dnn/src/layers/reshape_layer.cpp
+++ b/modules/dnn/src/layers/reshape_layer.cpp
@@ -267,12 +267,14 @@ public:
     {
         CV_Assert(inputs.size());
         for (auto input : inputs)
+        {
             if (preferableTarget == DNN_TARGET_CUDA_FP16 || preferableTarget == DNN_TARGET_CUDA)
                 CV_CheckTypeEQ(input, CV_32F, "Unsupported type");
             else if (preferableTarget == DNN_TARGET_OPENCL_FP16)
                 CV_CheckType(input, input == CV_16F || input == CV_8S || input == CV_32S || input == CV_64S, "");
             else
                 CV_CheckType(input, input == CV_32F || input == CV_8S || input == CV_32S || input == CV_64S, "");
+        }
 
         outputs.assign(requiredOutputs, inputs[0]);
     }
diff --git a/modules/dnn/src/layers/slice_layer.cpp b/modules/dnn/src/layers/slice_layer.cpp
index d1d77631f4..19b8d1cc43 100644
--- a/modules/dnn/src/layers/slice_layer.cpp
+++ b/modules/dnn/src/layers/slice_layer.cpp
@@ -286,12 +286,14 @@ public:
     {
         CV_CheckEQ(inputs.size(), (size_t)1, "");
         for (auto input : inputs)
+        {
             if (preferableTarget == DNN_TARGET_CUDA_FP16 || preferableTarget  == DNN_TARGET_CUDA)
                 CV_CheckEQ(input, CV_32F, "Unsupported type");
             else if (preferableTarget == DNN_TARGET_OPENCL_FP16)
                 CV_CheckType(input, input == CV_16F || input == CV_8S || input == CV_32S || input == CV_64S, "");
             else
                 CV_CheckType(input, input == CV_32F || input == CV_8S || input == CV_32S || input == CV_64S, "");
+        }
 
         outputs.assign(requiredOutputs, inputs[0]);
     }
@@ -908,12 +910,14 @@ public:
     {
         CV_CheckEQ(inputs.size(), (size_t)2, "");
         for (auto input : inputs)
+        {
             if (preferableTarget == DNN_TARGET_CUDA_FP16 || preferableTarget  == DNN_TARGET_CUDA)
                 CV_CheckTypeEQ(input, CV_32F, "Unsupported type");
             else if (preferableTarget == DNN_TARGET_OPENCL_FP16)
                 CV_CheckType(input, input == CV_16F || input == CV_8S || input == CV_32S || input == CV_64S, "");
             else
                 CV_CheckType(input, input == CV_32F || input == CV_8S || input == CV_32S || input == CV_64S, "");
+        }
 
         outputs.assign(requiredOutputs, inputs[0]);
     }