diff --git a/CHANGELOG.md b/CHANGELOG.md
index d7456b4f..aa6b3214 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -17,6 +17,7 @@ Expected: January 2025
 
 ### Corrected Bugs
 
+* Fixed: [string length validation doesn't work for the entry "" in case it has default value specified](https://github.com/clicon/clixon/issues/563)
 * Fixed: [SNMP: snmpwalk is slow and can timeout](https://github.com/clicon/clixon/issues/404)
 
 ## 7.2.0
diff --git a/lib/src/clixon_validate.c b/lib/src/clixon_validate.c
index 9669e709..8b60ac20 100644
--- a/lib/src/clixon_validate.c
+++ b/lib/src/clixon_validate.c
@@ -1065,6 +1065,13 @@ xml_yang_validate_add(clixon_handle h,
                         goto done;
                     goto fail;
                 }
+                if (cvtype != CGV_EMPTY && cvtype != CGV_VOID){
+                    if (cv_parse1("", cv, &reason) != 1){
+                        if (xret && netconf_bad_element_xml(xret, "application",  yang_argument_get(yt), reason) < 0)
+                            goto done;
+                        goto fail;
+                    }
+                }
             }
             else{
                 if (cv_parse1(body, cv, &reason) != 1){
diff --git a/test/test_type_range.sh b/test/test_type_range.sh
index 8161effb..e704ef6d 100755
--- a/test/test_type_range.sh
+++ b/test/test_type_range.sh
@@ -103,6 +103,7 @@ module example{
    }
    leaf lstring {
        type tstring;
+       default "somestring";
    }
   /* here follows unlimited ints */
    leaf rint8 {
@@ -165,6 +166,7 @@ cat <<EOF > $dclispec/clispec.cli
    merge @datamodel, cli_merge();
    create @datamodel, cli_create();
    show, cli_show_config("candidate", "text");
+   validate("Validate changes"), cli_validate();
    quit("Quit"), cli_quit();
 EOF
 
@@ -211,10 +213,11 @@ function testbuiltin(){
 }
 
 # Type explicit typed range tests.
-# Parameters: 1: type (eg uint8)
-#             2: val OK
-#             3: eval Invalid value
-#             4: post (eg .000 - special for decimal64, others should have "")
+# Parameters:
+# 1: type (eg uint8)
+# 2: val OK
+# 3: eval Invalid value
+# 4: post (eg .000 - special for decimal64, others should have "")
 function testrange(){
     t=$1
     val=$2
@@ -317,6 +320,13 @@ testrange decimal64 1 0 ".000"
 # test string with lengthlimit
 testrange string "012" "01234567890" ""
 
+# see https://github.com/clicon/clixon/issues/563
+new "Netconf set empty string with 1.. range"
+expectpart "$($clixon_cli -1f $cfg -l o set lstring \"\")" 0 ""
+
+new "Validate expect fail"
+expectpart "$($clixon_cli -1f $cfg -l o validate)" 255 "String length 0 out of range: 1 - 10"
+
 if [ $BE -ne 0 ]; then
     new "Kill backend"
     # Check if premature kill