diff --git a/contrib/krb5-cmake/autoconf_linux.h b/contrib/krb5-cmake/autoconf_linux.h
index 7b71d962d9a..54951f866a5 100644
--- a/contrib/krb5-cmake/autoconf_linux.h
+++ b/contrib/krb5-cmake/autoconf_linux.h
@@ -440,7 +440,9 @@
 #define HAVE_STRERROR 1
 
 /* Define to 1 if you have the `strerror_r' function. */
+#ifndef USE_MUSL
 #define HAVE_STRERROR_R 1
+#endif
 
 /* Define to 1 if you have the <strings.h> header file. */
 #define HAVE_STRINGS_H 1