diff --git a/openmp/runtime/src/kmp_affinity.h b/openmp/runtime/src/kmp_affinity.h
--- a/openmp/runtime/src/kmp_affinity.h
+++ b/openmp/runtime/src/kmp_affinity.h
@@ -254,6 +254,7 @@
 #elif __NR_sched_getaffinity != 5196
 #error Wrong code for getaffinity system call.
 #endif /* __NR_sched_getaffinity */
+#else
 #error Unknown or unsupported architecture
 #endif /* KMP_ARCH_* */
 #elif KMP_OS_FREEBSD