diff --git a/Samples/2_Concepts_and_Techniques/EGLStream_CUDA_Interop/cuda_consumer.cpp b/Samples/2_Concepts_and_Techniques/EGLStream_CUDA_Interop/cuda_consumer.cpp
index 5abfb893..c3bda418 100644
--- a/Samples/2_Concepts_and_Techniques/EGLStream_CUDA_Interop/cuda_consumer.cpp
+++ b/Samples/2_Concepts_and_Techniques/EGLStream_CUDA_Interop/cuda_consumer.cpp
@@ -39,7 +39,7 @@ EXTENSION_LIST(EXTLST_EXTERN)
 
 int checkbuf(FILE *fp1, FILE *fp2);
 
-CUresult cudaConsumerTest(test_cuda_consumer_s *data, char *fileName) {
+CUresult cudaConsumerTest(test_cuda_consumer_s *data, const char *fileName) {
   CUresult cuStatus = CUDA_SUCCESS;
   CUarray cudaArr = NULL;
   CUeglFrame cudaEgl;
@@ -309,8 +309,8 @@ void cuda_consumer_init(test_cuda_consumer_s *cudaConsumer, TestArgs *args) {
   cudaConsumer->fileName1 = args->infile1;
   cudaConsumer->fileName2 = args->infile2;
 
-  cudaConsumer->outFile1 = "cuda_out1.yuv";
-  cudaConsumer->outFile2 = "cuda_out2.yuv";
+  cudaConsumer->outFile1 = const_cast<char *>("cuda_out1.yuv");
+  cudaConsumer->outFile2 = const_cast<char *>("cuda_out2.yuv");
 }
 
 CUresult cuda_consumer_deinit(test_cuda_consumer_s *cudaConsumer) {
diff --git a/Samples/2_Concepts_and_Techniques/EGLStream_CUDA_Interop/cuda_consumer.h b/Samples/2_Concepts_and_Techniques/EGLStream_CUDA_Interop/cuda_consumer.h
index 50bd45a9..2e89a5c0 100644
--- a/Samples/2_Concepts_and_Techniques/EGLStream_CUDA_Interop/cuda_consumer.h
+++ b/Samples/2_Concepts_and_Techniques/EGLStream_CUDA_Interop/cuda_consumer.h
@@ -47,16 +47,16 @@ typedef struct _test_cuda_consumer_s {
   bool pitchLinearOutput;
   unsigned int width;
   unsigned int height;
-  char *fileName1;
-  char *fileName2;
-  char *outFile1;
-  char *outFile2;
+  const char *fileName1;
+  const char *fileName2;
+  const char *outFile1;
+  const char *outFile2;
   unsigned int frameCount;
 } test_cuda_consumer_s;
 
 void cuda_consumer_init(test_cuda_consumer_s *cudaConsumer, TestArgs *args);
 CUresult cuda_consumer_deinit(test_cuda_consumer_s *cudaConsumer);
-CUresult cudaConsumerTest(test_cuda_consumer_s *data, char *outFile);
+CUresult cudaConsumerTest(test_cuda_consumer_s *data, const char *outFile);
 CUresult cudaDeviceCreateConsumer(test_cuda_consumer_s *cudaConsumer,
                                   CUdevice device);
 #endif