diff --git a/helper/set-value b/helper/set-value
index 00cf5238..24a4bba9 100755
--- a/helper/set-value
+++ b/helper/set-value
@@ -71,7 +71,14 @@ sub set_value {
         $value = "\"$value\"";
     }
 
-    $value = $compartment->reval($value);
+    # If the value is a float number like N.0 - reval turns it into int N
+    # even if it's quoted.
+    if ($value =~ /^['"]?\d+\.\d+['"]?$/ ) {
+      log_debug ('$value is a float number so no need to reval() it');
+    }
+    else {
+      $value = $compartment->reval($value);
+    }
 
     for my $component (split(/\./, $option)) {
         if (ref($valref) eq 'SCALAR' && defined(${$valref})) {
diff --git a/t/test_ngcpcfg_set_and_del.py b/t/test_ngcpcfg_set_and_del.py
index 3676746f..a8bd9d40 100644
--- a/t/test_ngcpcfg_set_and_del.py
+++ b/t/test_ngcpcfg_set_and_del.py
@@ -739,6 +739,29 @@ aaa:
     assert "" in out.stderr
     assert out.returncode == 0
 
+
+@pytest.mark.tt_16903
+def test_set_float_number(ngcpcfgcli, tmpdir):
+    tmpfile = tmpdir.join("tmpfile.txt")
+    tmpfile.write(
+        """---
+aaa:
+  bbb: ''
+"""
+    )
+    out = ngcpcfgcli("set", str(tmpfile), "aaa.bbb=1.0")
+    assert (
+        tmpfile.read()
+        == """---
+aaa:
+  bbb: '1.0'
+"""
+    )
+    assert "" in out.stdout
+    assert "" in out.stderr
+    assert out.returncode == 0
+
+
 ###############################################################
 #  ngcpcfg del
 ###############################################################