diff --git a/src/gallium/drivers/radeonsi/si_query.c b/src/gallium/drivers/radeonsi/si_query.c
index 81548a968dd..d69ba929071 100644
--- a/src/gallium/drivers/radeonsi/si_query.c
+++ b/src/gallium/drivers/radeonsi/si_query.c
@@ -838,7 +838,7 @@ static void si_query_hw_do_emit_start(struct si_context *sctx, struct si_query_h
          struct pipe_shader_buffer sbuf;
          sbuf.buffer = &buffer->b.b;
          sbuf.buffer_offset = query->buffer.results_end;
-         sbuf.buffer_size = buffer->bo_size;
+         sbuf.buffer_size = buffer->bo_size - sbuf.buffer_offset;
          si_set_internal_shader_buffer(sctx, SI_GS_QUERY_EMULATED_COUNTERS_BUF, &sbuf);
          SET_FIELD(sctx->current_gs_state, GS_STATE_PIPELINE_STATS_EMU, 1);