diff --git a/src/amd/vulkan/radv_cmd_buffer.c b/src/amd/vulkan/radv_cmd_buffer.c
index 52943114b11..ab72186155e 100644
--- a/src/amd/vulkan/radv_cmd_buffer.c
+++ b/src/amd/vulkan/radv_cmd_buffer.c
@@ -4118,12 +4118,11 @@ radv_flush_streamout_descriptors(struct radv_cmd_buffer *cmd_buffer)
           */
          uint32_t size = 0xffffffff;
 
-         /* Compute the correct buffer size for NGG streamout
-          * because it's used to determine the max emit per
-          * buffer.
+         /* Set the correct buffer size for NGG streamout because it's used to determine the max
+          * emit per buffer.
           */
          if (cmd_buffer->device->physical_device->use_ngg_streamout)
-            size = buffer->vk.size - sb[i].offset;
+            size = sb[i].size;
 
          uint32_t rsrc_word3 =
             S_008F0C_DST_SEL_X(V_008F0C_SQ_SEL_X) | S_008F0C_DST_SEL_Y(V_008F0C_SQ_SEL_Y) |