--- a/src/util.c
+++ b/src/util.c
@@ -35,6 +35,12 @@
 #include <libintl.h>
 #include <sys/types.h>
 #include <sys/stat.h>
+
+/* glibc's stat.h has it but musl's does not. */
+#ifndef ACCESSPERMS
+#define ACCESSPERMS (S_IRWXU|S_IRWXG|S_IRWXO)
+#endif
+
 #include <sys/wait.h>
 #include "cpu-x.h"
 #include "ipc.h"