diff --git a/examples/C/bufr_subset.c b/examples/C/bufr_subset.c
index 317242dfc..1bc09cb01 100644
--- a/examples/C/bufr_subset.c
+++ b/examples/C/bufr_subset.c
@@ -68,7 +68,7 @@ int main(int argc,char* argv[])
         {
             sprintf(key,"/subsetNumber=%d/blockNumber",i);
 
-            printf("  subsetNumber=%ld",i);
+            printf("  subsetNumber=%d",i);
             /* read and print some data values */
             CODES_CHECK(codes_get_long(h,key,&longVal),0);
             printf("  blockNumber=%ld",longVal);