diff --git a/sysdeps/generic/internal-signals.h b/sysdeps/generic/internal-signals.h
index 0c8f67f1a2..ea56a02dbd 100644
--- a/sysdeps/generic/internal-signals.h
+++ b/sysdeps/generic/internal-signals.h
@@ -41,8 +41,8 @@ clear_internal_signals (sigset_t *set)
 
 typedef sigset_t internal_sigset_t;
 
-#define internal_sigemptyset(__s)            sigemptyset (__s)
-#define internal_sigaddset(__s, __i)	     sigaddset (__s, __i)
-#define internal_sigprocmask(__h, __s, __o)  sigprocmask (__h, __s, __o)
+#define internal_sigemptyset(__s)            __sigemptyset (__s)
+#define internal_sigaddset(__s, __i)         __sigaddset (__s, __i)
+#define internal_sigprocmask(__h, __s, __o)  __sigprocmask (__h, __s, __o)
 
 #endif /* __INTERNAL_SIGNALS_H  */