diff --git a/src/dj.c b/src/dj.c
index 9aed880..b81deeb 100644
--- a/src/dj.c
+++ b/src/dj.c
@@ -113,9 +113,9 @@ oserr(char *s){
 /* Prints statistics regarding the use of dj, particularly partially and
  * completely read and written records. */
 static void
-printio(char *fmt, struct Io io[2]){
+fprintio(FILE *stream, char *fmt, struct Io io[2]){
 
-	fprintf(stderr, fmt,
+	fprintf(stream, fmt,
 		io[0].rec, io[0].prec, io[1].rec, io[1].prec,
 		io[0].bytes, io[1].bytes);
 
@@ -281,7 +281,7 @@ int main(int argc, char *argv[]){
 
 		if(io[0].bufuse < io[0].bs){
 			fprintf(stderr, "%s: Partial read:\n\t", program_name);
-			printio(fmt, io);
+			fprintio(stderr, fmt, io);
 			if(!noerror)
 				count = 1;
 			if(align >= 0){
@@ -328,7 +328,7 @@ int main(int argc, char *argv[]){
 			}else if(t > io[1].bufuse && io[1].bufuse > 0){
 				io[1].prec += 1;
 				fprintf(stderr, "%s: Partial write:\n\t", program_name);
-				printio(fmt, io);
+				fprintio(stderr, fmt, io);
 				if(!noerror)
 					count = 1;
 			}else if(io[1].bufuse == 0 && t < io[1].bs)
@@ -338,7 +338,7 @@ int main(int argc, char *argv[]){
 		}while(io[0].bufuse > 0);
 	}while(count == 0 || --count > 0);
 
-	printio(fmt, io);
+	fprintio(stderr, fmt, io);
 
 	return EX_OK;
 }