diff --git a/src/sds.c b/src/sds.c
index d4cdef6313..2ce8758693 100644
--- a/src/sds.c
+++ b/src/sds.c
@@ -39,7 +39,6 @@
 #include "sds.h"
 #include "sdsalloc.h"
 #include "util.h"
-#include "zmalloc.h"
 
 const char *SDS_NOINIT = "SDS_NOINIT";
 
@@ -416,7 +415,7 @@ size_t sdsAllocSize(sds s) {
     char type = s[-1] & SDS_TYPE_MASK;
     /* SDS_TYPE_5 header doesn't contain the size of the allocation */
     if (type == SDS_TYPE_5) {
-        return zmalloc_size(sdsAllocPtr(s));
+        return s_malloc_size(sdsAllocPtr(s));
     } else {
         return sdsHdrSize(type) + sdsalloc(s) + 1;
     }