diff --git a/examples/cosmas4.json b/examples/cosmas4.json
index f241ecd..55eab65 100644
--- a/examples/cosmas4.json
+++ b/examples/cosmas4.json
@@ -12,7 +12,7 @@
     }, {
       "@type" : "korap:distance",
       "key" : "s",
-      "min" : 1,
+      "min" : 0,
       "max" : 1
     } ],
     "operands" : [ {
diff --git a/examples/cosmas5.json b/examples/cosmas5.json
index bc9748c..ec1cdbf 100644
--- a/examples/cosmas5.json
+++ b/examples/cosmas5.json
@@ -22,7 +22,7 @@
       }, {
         "@type" : "korap:distance",
         "key" : "s",
-        "min" : 1,
+        "min" : 0,
         "max" : 1
       } ],
       "operands" : [ {
diff --git a/examples/cosmas6.json b/examples/cosmas6.json
index a17a2b3..d52d5c7 100644
--- a/examples/cosmas6.json
+++ b/examples/cosmas6.json
@@ -30,7 +30,7 @@
       }, {
         "@type" : "korap:distance",
         "key" : "s",
-        "min" : 1,
+        "min" : 0,
         "max" : 1
       } ],
       "operands" : [ {
diff --git a/examples/cosmas7.json b/examples/cosmas7.json
index 15fa3b6..0bf2ba3 100644
--- a/examples/cosmas7.json
+++ b/examples/cosmas7.json
@@ -22,7 +22,7 @@
       }, {
         "@type" : "korap:distance",
         "key" : "s",
-        "min" : 1,
+        "min" : 0,
         "max" : 1
       } ],
       "operands" : [ {