diff --git a/examples/touchscreen/tc_main.c b/examples/touchscreen/tc_main.c
index 1672d1a31..d13ecb4a1 100644
--- a/examples/touchscreen/tc_main.c
+++ b/examples/touchscreen/tc_main.c
@@ -110,7 +110,7 @@ int main(int argc, FAR char *argv[])
       nsamples = strtol(argv[1], NULL, 10);
     }
 
-  printf("tc_main: nsamples: %d\n", nsamples);
+  printf("tc_main: nsamples: %ld\n", nsamples);
 
   /* Open the touchscreen device for reading */