diff --git a/src/lib/iter-chain-search.hpp b/src/lib/iter-chain-search.hpp
index c662fb926..1d7c19596 100644
--- a/src/lib/iter-chain-search.hpp
+++ b/src/lib/iter-chain-search.hpp
@@ -186,11 +186,12 @@ namespace iter {
               Step nextStep{forward<FUN> (configureSearchStep)};
               
               if (_Base::isDisabled())
-                this-> filter() = move (nextStep (*this));     // immediately apply first step
-              else                                            //
-                stepChain_.emplace_back (move (nextStep));   //   append all further steps into the chain...
-                                                            //    then establish invariant:
-              this->iterNext();                            //     expand to leaf and forward to first match
+                this-> filter() = move (nextStep (*this));      // apply first step immediately
+              else
+                {
+                  stepChain_.emplace_back (move (nextStep)); //    append all further steps into the chain...
+                  this->iterNext();                         //     then establish invariant:
+                }                                          //      expand to leaf and forward to first match
             }
           return move(*this);
         }
diff --git a/wiki/thinkPad.ichthyo.mm b/wiki/thinkPad.ichthyo.mm
index 7a982f05f..1b0738591 100644
--- a/wiki/thinkPad.ichthyo.mm
+++ b/wiki/thinkPad.ichthyo.mm
@@ -31994,9 +31994,9 @@
 <node BACKGROUND_COLOR="#eee5c3" COLOR="#990000" CREATED="1536018931433" ID="ID_1532889609" MODIFIED="1536326576841" TEXT="treeExplorer-Konfiguration">
 <arrowlink COLOR="#65a7b1" DESTINATION="ID_1044555993" ENDARROW="Default" ENDINCLINATION="70;92;" ID="Arrow_ID_575633930" STARTARROW="None" STARTINCLINATION="149;-3;"/>
 <icon BUILTIN="pencil"/>
-<node BACKGROUND_COLOR="#eee5c3" COLOR="#990000" CREATED="1536353107155" HGAP="33" ID="ID_1163131751" MODIFIED="1536361617044" TEXT="Problem: Basis-Layer" VSHIFT="37">
+<node COLOR="#338800" CREATED="1536353107155" HGAP="33" ID="ID_1163131751" MODIFIED="1536632469176" TEXT="Problem: Basis-Layer" VSHIFT="37">
 <arrowlink COLOR="#4471b4" DESTINATION="ID_942897075" ENDARROW="Default" ENDINCLINATION="37;-79;" ID="Arrow_ID_537236489" STARTARROW="None" STARTINCLINATION="30;44;"/>
-<icon BUILTIN="flag-yellow"/>
+<icon BUILTIN="button_ok"/>
 <node CREATED="1536353117930" ID="ID_625995057" MODIFIED="1536353132265" TEXT="hinzugef&#xfc;gt f&#xfc;r &quot;leeren&quot; Zustand">
 <icon BUILTIN="info"/>
 </node>
@@ -32093,9 +32093,9 @@
 </node>
 <node BACKGROUND_COLOR="#eee5c3" COLOR="#990000" CREATED="1536357878006" ID="ID_1225195123" MODIFIED="1536358257081" TEXT="Aufr&#xe4;umen und nachr&#xfc;sten">
 <icon BUILTIN="pencil"/>
-<node BACKGROUND_COLOR="#eee5c3" COLOR="#990000" CREATED="1536357891412" ID="ID_942897075" MODIFIED="1536533200019" TEXT="den Basis-Layer eliminieren">
+<node COLOR="#338800" CREATED="1536357891412" ID="ID_942897075" MODIFIED="1536632466623" TEXT="den Basis-Layer eliminieren">
 <linktarget COLOR="#4471b4" DESTINATION="ID_942897075" ENDARROW="Default" ENDINCLINATION="37;-79;" ID="Arrow_ID_537236489" SOURCE="ID_1163131751" STARTARROW="None" STARTINCLINATION="30;44;"/>
-<icon BUILTIN="pencil"/>
+<icon BUILTIN="button_ok"/>
 <node COLOR="#338800" CREATED="1536357900635" ID="ID_646733499" MODIFIED="1536533192790" TEXT="brauche einen &quot;leer&quot;-Status im Filter">
 <icon BUILTIN="button_ok"/>
 <node CREATED="1536367745114" ID="ID_945289619" MODIFIED="1536367753030" TEXT="explizit als bool-Flag">
@@ -32112,19 +32112,19 @@
 <node COLOR="#338800" CREATED="1536357952068" ID="ID_876149668" MODIFIED="1536539163737" TEXT="nur an die Kette anf&#xfc;gen, wenn nicht leer">
 <icon BUILTIN="button_ok"/>
 </node>
-<node BACKGROUND_COLOR="#eee5c3" COLOR="#990000" CREATED="1536539178616" HGAP="1" ID="ID_708494808" MODIFIED="1536539195867" TEXT="defekt" VSHIFT="20">
+<node COLOR="#435e98" CREATED="1536539178616" HGAP="1" ID="ID_708494808" MODIFIED="1536632461895" TEXT="defekt" VSHIFT="20">
 <icon BUILTIN="broken-line"/>
-<node BACKGROUND_COLOR="#eee5c3" COLOR="#990000" CREATED="1536539306399" ID="ID_639133520" MODIFIED="1536539400436" TEXT="Basis-Layer wird zwei mal gepullt">
-<icon BUILTIN="flag-yellow"/>
+<node COLOR="#338800" CREATED="1536539306399" ID="ID_639133520" MODIFIED="1536632455687" TEXT="Basis-Layer wird zwei mal gepullt">
+<icon BUILTIN="button_ok"/>
 <node CREATED="1536539323716" ID="ID_1627599615" MODIFIED="1536539353260" TEXT="einmal beim direkten Rekonfigurieren"/>
 <node CREATED="1536539357408" ID="ID_834480997" MODIFIED="1536539373834" TEXT="dann nochmal generisch"/>
-<node BACKGROUND_COLOR="#eee5c3" COLOR="#990000" CREATED="1536541001266" ID="ID_1480503625" MODIFIED="1536541008706" TEXT="in else-Zweig ziehen">
-<icon BUILTIN="flag-yellow"/>
+<node COLOR="#338800" CREATED="1536541001266" ID="ID_1480503625" MODIFIED="1536632457387" TEXT="in else-Zweig ziehen">
+<icon BUILTIN="button_ok"/>
 </node>
 </node>
-<node BACKGROUND_COLOR="#eee5c3" COLOR="#990000" CREATED="1536539386764" ID="ID_487266350" MODIFIED="1536631289616" TEXT="ersch&#xf6;pfter Iter bricht ab">
+<node COLOR="#338800" CREATED="1536539386764" ID="ID_487266350" MODIFIED="1536632452032" TEXT="ersch&#xf6;pfter Iter bricht ab">
 <arrowlink COLOR="#c5789c" DESTINATION="ID_1288939799" ENDARROW="Default" ENDINCLINATION="99;3;" ID="Arrow_ID_1528021143" STARTARROW="None" STARTINCLINATION="-35;27;"/>
-<icon BUILTIN="flag-yellow"/>
+<icon BUILTIN="button_ok"/>
 </node>
 </node>
 </node>