diff --git a/samples/cpp/falsecolor.cpp b/samples/cpp/falsecolor.cpp
index 40890edf12..f96bdcc99d 100644
--- a/samples/cpp/falsecolor.cpp
+++ b/samples/cpp/falsecolor.cpp
@@ -125,7 +125,7 @@ static Mat DrawMyImage(int thickness,int nbShape)
     return img;
 }
 
-int main(int argc, const char *argv[])
+int main(void)
 {
     ParamColorMar  p;
 
@@ -143,4 +143,4 @@ int main(int argc, const char *argv[])
     TrackColorMap(0,(void*)&p);
     waitKey(0);
     return 0;
-}
\ No newline at end of file
+}