diff --git a/cmds/servicemanager/binder.h b/cmds/servicemanager/binder.h
index 24b77f6..c207279 100644
--- a/cmds/servicemanager/binder.h
+++ b/cmds/servicemanager/binder.h
@@ -12,12 +12,12 @@
 struct binder_io
 {
     char *data;            /* pointer to read/write from */
-    size_t *offs;          /* array of offsets */
+    binder_size_t *offs;   /* array of offsets */
     size_t data_avail;     /* bytes available in data buffer */
     size_t offs_avail;     /* entries available in offsets array */
 
     char *data0;           /* start of data buffer */
-    size_t *offs0;         /* start of offsets buffer */
+    binder_size_t *offs0;  /* start of offsets buffer */
     uint32_t flags;
     uint32_t unused;
 };