diff --git a/libcopybit/copybit_c2d.cpp b/libcopybit/copybit_c2d.cpp
index 193d067..385acb0 100644
--- a/libcopybit/copybit_c2d.cpp
+++ b/libcopybit/copybit_c2d.cpp
@@ -686,6 +686,9 @@
     ctx->blit_yuv_2_plane_count = 0;
     ctx->blit_yuv_3_plane_count = 0;
     ctx->blit_count = 0;
+    ctx->dst_surface_mapped = false;
+    ctx->dst_surface_base = 0;
+
     return status;
 }