diff --git a/tools/common.h b/tools/common.h
index ac72cd3ad..4e433fd33 100644
--- a/tools/common.h
+++ b/tools/common.h
@@ -21,7 +21,7 @@
 
 #define error_exit(...) exit((fprintf(stderr, PROGRAM_NAME ": " __VA_ARGS__), 1))
 
-void usage_exit(int status) {
+noreturn void usage_exit(int status) {
 	fprintf(stderr, "Usage: " PROGRAM_NAME " " USAGE_OPTS "\n");
 	exit(status);
 }