diff --git a/src/debug.c b/src/debug.c
index 3f7a8535..0d2f2424 100644
--- a/src/debug.c
+++ b/src/debug.c
@@ -423,6 +423,7 @@ void debugCommand(redisClient *c) {
         sizes = sdscatprintf(sizes,"bits:%d ",(sizeof(void*) == 8)?64:32);
         sizes = sdscatprintf(sizes,"robj:%d ",(int)sizeof(robj));
         sizes = sdscatprintf(sizes,"dictentry:%d ",(int)sizeof(dictEntry));
+        sizes = sdscatprintf(sizes,"sdshdr5:%d ",(int)sizeof(struct sdshdr5));
         sizes = sdscatprintf(sizes,"sdshdr8:%d ",(int)sizeof(struct sdshdr8));
         sizes = sdscatprintf(sizes,"sdshdr16:%d ",(int)sizeof(struct sdshdr16));
         sizes = sdscatprintf(sizes,"sdshdr32:%d ",(int)sizeof(struct sdshdr32));