diff --git a/src/db/db/dbRecursiveInstanceIterator.cc b/src/db/db/dbRecursiveInstanceIterator.cc
index b6b56745d..bb15bf9f4 100644
--- a/src/db/db/dbRecursiveInstanceIterator.cc
+++ b/src/db/db/dbRecursiveInstanceIterator.cc
@@ -432,14 +432,14 @@ RecursiveInstanceIterator::next_instance (RecursiveInstanceReceiver *receiver) c
         break;
       }
 
-      if (! m_inst.at_end () && int (m_inst_iterators.size () + 1) >= m_min_depth && ! is_inactive ()) {
+      if (! m_inst.at_end () && int (m_inst_iterators.size ()) >= m_min_depth && ! is_inactive ()) {
         break;
       }
 
     }
 
     if (! m_inst.at_end ()) {
-      if (int (m_inst_iterators.size () + 1) < m_min_depth || is_inactive ()) {
+      if (int (m_inst_iterators.size ()) < m_min_depth || is_inactive ()) {
         ++m_inst;
         new_inst (receiver);
       } else {
diff --git a/src/db/unit_tests/dbRecursiveInstanceIteratorTests.cc b/src/db/unit_tests/dbRecursiveInstanceIteratorTests.cc
index 95bdb8028..e075e4db2 100644
--- a/src/db/unit_tests/dbRecursiveInstanceIteratorTests.cc
+++ b/src/db/unit_tests/dbRecursiveInstanceIteratorTests.cc
@@ -104,31 +104,31 @@ TEST(1)
   EXPECT_EQ (x, "[$1]$2 r0 0,0/[$1]$3 r0 100,-100");
 
   db::RecursiveInstanceIterator i1_1inf (g, c0, db::Box (0, 0, 100, 100));
-  i1_1inf.min_depth(1);
+  i1_1inf.min_depth(0);
   x = collect(i1_1inf, g);
   EXPECT_EQ (x, "[$1]$2 r0 0,0/[$1]$3 r0 100,-100");
   x = collect_with_copy(i1_1inf, g);
   EXPECT_EQ (x, "[$1]$2 r0 0,0/[$1]$3 r0 100,-100");
 
-  db::RecursiveInstanceIterator i1_11 (g, c0, db::Box (0, 0, 100, 100));
-  i1_11.min_depth(1);
-  i1_11.max_depth(1);
+  db::RecursiveInstanceIterator i1_11 (g, c0, db::Box (0, 0, 2000, 100));
+  i1_11.min_depth(0);
+  i1_11.max_depth(0);
   x = collect(i1_11, g);
   EXPECT_EQ (x, "[$1]$2 r0 0,0/[$1]$3 r0 100,-100");
   x = collect_with_copy(i1_11, g);
   EXPECT_EQ (x, "[$1]$2 r0 0,0/[$1]$3 r0 100,-100");
 
-  db::RecursiveInstanceIterator i1_12 (g, c0, db::Box (0, 0, 100, 100));
-  i1_12.min_depth(1);
-  i1_12.max_depth(2);
+  db::RecursiveInstanceIterator i1_12 (g, c0, db::Box (0, 0, 2000, 100));
+  i1_12.min_depth(0);
+  i1_12.max_depth(1);
   x = collect(i1_12, g);
-  EXPECT_EQ (x, "[$1]$2 r0 0,0/[$1]$3 r0 100,-100");
+  EXPECT_EQ (x, "[$1]$2 r0 0,0/[$3]$4 r0 1100,0/[$1]$3 r0 100,-100");
   x = collect_with_copy(i1_12, g);
-  EXPECT_EQ (x, "[$1]$2 r0 0,0/[$1]$3 r0 100,-100");
+  EXPECT_EQ (x, "[$1]$2 r0 0,0/[$3]$4 r0 1100,0/[$1]$3 r0 100,-100");
 
   db::RecursiveInstanceIterator i1_22 (g, c0, db::Box (0, 0, 100, 100));
-  i1_22.min_depth(2);
-  i1_22.max_depth(2);
+  i1_22.min_depth(1);
+  i1_22.max_depth(1);
   x = collect(i1_22, g);
   EXPECT_EQ (x, "");
   x = collect_with_copy(i1_22, g);