diff --git a/src/libsodium/sodium/runtime.c b/src/libsodium/sodium/runtime.c
index f76ce1a8..3e424a01 100644
--- a/src/libsodium/sodium/runtime.c
+++ b/src/libsodium/sodium/runtime.c
@@ -56,7 +56,7 @@ _cpuid(unsigned int cpu_info[4U], const unsigned int cpu_info_type)
                           "=&r" (cpu_info[0]), "=&r" (cpu_info[1]) :
                           "i" (0x200000));
     if (((cpu_info[0] ^ cpu_info[1]) & 0x200000) == 0x0) {
-        return;
+        return; /* LCOV_EXCL_LINE */
     }
 # endif
 # ifdef __i386__