diff --git a/tools/supported/unreveal.cpp b/tools/supported/unreveal.cpp
index e5a3bdbd2..d5098ffdf 100644
--- a/tools/supported/unreveal.cpp
+++ b/tools/supported/unreveal.cpp
@@ -141,6 +141,8 @@ int main (int argc, char* argv[])
             case RAMP_TOP:
             case STAIR_UPDOWN:
             case STAIR_DOWN:
+            case STREAM:
+            case STREAM_TOP:
                 above = below = sides = true;
                 break;
             // has floor