diff --git a/Modules/Filtering/Contrast/test/otbCLHistogramEqualizationFilter.cxx b/Modules/Filtering/Contrast/test/otbCLHistogramEqualizationFilter.cxx
index 46f74395e349ae724b577381f953d93da87532b9..4094ec451a4a5c1a2a6b098131ef650a028f860a 100644
--- a/Modules/Filtering/Contrast/test/otbCLHistogramEqualizationFilter.cxx
+++ b/Modules/Filtering/Contrast/test/otbCLHistogramEqualizationFilter.cxx
@@ -23,7 +23,7 @@
 #include "otbImage.h"
 #include "otbCLHistogramEqualizationFilter.h"
 
-int otbCLHistogramEqualizationFilter(int itkNotUsed(argc), char * argv [])
+int otbCLHistogramEqualizationFilter(int itkNotUsed(argc), char * itkNotUsed(argv) [])
 {
   typedef int InputPixelType;
   const unsigned int Dimension = 2;
@@ -52,4 +52,4 @@ int otbCLHistogramEqualizationFilter(int itkNotUsed(argc), char * argv [])
   writer->SetInput(histoEqualize->GetOutput());
   writer->Update();
   return EXIT_SUCCESS;
-}
\ No newline at end of file
+}
diff --git a/Modules/Filtering/Contrast/test/otbHelperCLAHE.cxx b/Modules/Filtering/Contrast/test/otbHelperCLAHE.cxx
index 8e17bbc81bf35dfb23ca59379fb93f64ba28ae19..6a2461d0cee1a331e941df2c85c34a57f5fd56d0 100644
--- a/Modules/Filtering/Contrast/test/otbHelperCLAHE.cxx
+++ b/Modules/Filtering/Contrast/test/otbHelperCLAHE.cxx
@@ -25,7 +25,7 @@
 #include "itkImageRegionIterator.h"
 #include "otbCLHistogramEqualizationFilter.h"
 
-int otbHelperCLAHE(int itkNotUsed(argc), char * argv [])
+int otbHelperCLAHE(int itkNotUsed(argc), char * itkNotUsed(argv) [])
 {
   typedef int InputPixelType;
   const unsigned int Dimension = 2;
@@ -90,4 +90,4 @@ int otbHelperCLAHE(int itkNotUsed(argc), char * argv [])
   writer->Update();
 
   return EXIT_SUCCESS;
-}
\ No newline at end of file
+}