diff --git a/client/flash.c b/client/flash.c
index 9f547915..3a0a1cda 100644
--- a/client/flash.c
+++ b/client/flash.c
@@ -340,8 +340,7 @@ static int enter_bootloader(char *serial_port_name)
     msleep(100);
 		CloseProxmark();
 
-		fprintf(stderr,"Waiting for Proxmark to reappear on ");
-		fprintf(stderr,serial_port_name);
+		fprintf(stderr,"Waiting for Proxmark to reappear on %s",serial_port_name);
     do {
 			sleep(1);
 			fprintf(stderr, ".");
diff --git a/client/flasher.c b/client/flasher.c
index 652f13b1..2a24ba8f 100644
--- a/client/flasher.c
+++ b/client/flasher.c
@@ -128,8 +128,7 @@ int main(int argc, char **argv)
 
   serial_port_name = argv[1];
   
-  fprintf(stderr,"Waiting for Proxmark to appear on ");
-  fprintf(stderr,serial_port_name);
+  fprintf(stderr,"Waiting for Proxmark to appear on %s",serial_port_name);
   do {
     sleep(1);
     fprintf(stderr, ".");