diff --git a/lib/roken/roken.h.in b/lib/roken/roken.h.in
index 0f2c27741..74b1a8a61 100644
--- a/lib/roken/roken.h.in
+++ b/lib/roken/roken.h.in
@@ -757,7 +757,7 @@ readv(int, const struct iovec *, int);
 #endif
 
 #ifdef NO_PIDFILES
-#define pidfile(x) ((void) 0)
+#define rk_pidfile(x) ((void) 0)
 #else
 ROKEN_LIB_FUNCTION void ROKEN_LIB_CALL rk_pidfile (const char*);
 #endif