diff --git a/libbb/perror_nomsg.c b/libbb/perror_nomsg.c
index d7d53de44..a2a11cc8e 100644
--- a/libbb/perror_nomsg.c
+++ b/libbb/perror_nomsg.c
@@ -12,11 +12,11 @@
  * instead of including libbb.h */
 //#include "libbb.h"
 #include "platform.h"
-extern void bb_simple_perror_msg(const char *s) FAST_FUNC;
+extern void bb_perror_msg(const char *s, ...) FAST_FUNC;
 
 /* suppress gcc "no previous prototype" warning */
 void FAST_FUNC bb_perror_nomsg(void);
 void FAST_FUNC bb_perror_nomsg(void)
 {
-	bb_simple_perror_msg(0);
+	bb_perror_msg(0);
 }
diff --git a/libbb/perror_nomsg_and_die.c b/libbb/perror_nomsg_and_die.c
index bea5f25a5..543ff5178 100644
--- a/libbb/perror_nomsg_and_die.c
+++ b/libbb/perror_nomsg_and_die.c
@@ -12,11 +12,11 @@
  * instead of including libbb.h */
 //#include "libbb.h"
 #include "platform.h"
-extern void bb_simple_perror_msg_and_die(const char *s) FAST_FUNC;
+extern void bb_perror_msg_and_die(const char *s, ...) FAST_FUNC;
 
 /* suppress gcc "no previous prototype" warning */
 void FAST_FUNC bb_perror_nomsg_and_die(void);
 void FAST_FUNC bb_perror_nomsg_and_die(void)
 {
-	bb_simple_perror_msg_and_die(0);
+	bb_perror_msg_and_die(0);
 }