diff --git a/changelogs/fragments/fix_issue_344_allow_loop_variable_usage.yml b/changelogs/fragments/fix_issue_344_allow_loop_variable_usage.yml
new file mode 100644
index 00000000..3afa7af6
--- /dev/null
+++ b/changelogs/fragments/fix_issue_344_allow_loop_variable_usage.yml
@@ -0,0 +1,2 @@
+minor_changes:
+  - Allow for usage of loop variables from :code:`apply_for` within object - Thanks @lucagubler (#344)
diff --git a/plugins/action/icinga2_object.py b/plugins/action/icinga2_object.py
index b09e80b2..0ed97bad 100644
--- a/plugins/action/icinga2_object.py
+++ b/plugins/action/icinga2_object.py
@@ -109,7 +109,11 @@ def run(self, tmp=None, task_vars=None):
             #
             # parser
             #
-            object_content += Icinga2Parser().parse(obj['args'], list(task_vars['icinga2_combined_constants'].keys())+task_vars['icinga2_reserved']+varlist+list(obj['args'].keys()), 2) + '}\n'
+            object_content += Icinga2Parser().parse(
+                obj['args'],
+                list(task_vars['icinga2_combined_constants'].keys()) + task_vars['icinga2_reserved'] + varlist + list(obj['args'].keys()),
+                2
+            ) + '}\n'
             copy_action = self._task.copy()
             copy_action.args = dict()
             copy_action.args['dest'] = file_fragment
diff --git a/plugins/module_utils/parse.py b/plugins/module_utils/parse.py
index 1e592e0e..29514a22 100644
--- a/plugins/module_utils/parse.py
+++ b/plugins/module_utils/parse.py
@@ -6,7 +6,7 @@ class Icinga2Parser(object):
 
     def parse(self, attrs, constants, indent=0):
         def attribute_types(attr):
-            if re.search(r'^[a-zA-Z0-9_]+$', attr):
+            if re.search(r'^[a-zA-Z_][a-zA-Z0-9_]*$', attr):
                 result = attr
             else:
                 result = '"' + attr + '"'
@@ -16,7 +16,8 @@ def value_types(value, indent=2):
             # Values without quotes
             if ((re.search(r'^-?\d+\.?\d*[dhms]?$', value)) or
                (re.search(r'^(true|false|null)$', value)) or
-               (re.search(r'^!?(host|service|user)\.', value))):
+               (re.search(r'^!?(host|service|user)\.', value)) or
+               any(value.startswith(constant + '.') for constant in constants)):
                 result = value
             elif (re.search(r'^(True|False)$', value)):
                 result = value.lower()
@@ -90,9 +91,9 @@ def parser(row):
         def process_array(items, indent=2):
             result = ''
             for item in items:
-                if type(item) is dict:
+                if isinstance(item, dict):
                     result += "\n%s{\n%s%s}, " % (' ' * indent, process_hash(attrs=item, indent=indent+2), ' ' * indent)
-                elif type(item) is list:
+                elif isinstance(item, list):
                     result += "[ %s], " % (process_array(item.split(','), indent=indent+2))
                 else:
                     result += "%s, " % (parser(str(item)))
@@ -105,7 +106,7 @@ def process_hash(attrs, level=3, indent=2, prefix=' '):
             op = ''
 
             for attr, value in attrs.items():
-                if type(value) is dict:
+                if isinstance(value, dict):
                     if "+" in value:
                         del value['+']
                         op = "+"
@@ -133,7 +134,7 @@ def process_hash(attrs, level=3, indent=2, prefix=' '):
                         else:
                             result += "%s%s %s= {\n%s%s}\n" % (
                                 prefix, attribute_types(attr), op, process_hash(attrs=value, indent=indent+2), ' '*indent)
-                elif type(value) is list and value:
+                elif isinstance(value, list) and value:
                     if value[0] == "+":
                         op = "+"
                         value.pop(0)
@@ -181,13 +182,13 @@ def divide_chunks(l, n):
                 for x in value:
                     config += "%s%s %s\n" % (' '*indent, attr+' where', parser(x))
             elif attr == 'vars':
-                if type(value) is dict:
+                if isinstance(value, dict):
                     if "+" in value:
                         del value['+']
                     config += process_hash(attrs=value, indent=indent+2, level=1, prefix=("%s%s." % (' '*indent, attr)))
-                elif type(value) is list:
+                elif isinstance(value, list):
                     for item in value:
-                        if type(item) is str:
+                        if isinstance(item, str):
                             config += "%s%s += %s\n" % (indent*' ', attr, re.sub(r'^[\+,-]\s+/', '', item))
                         else:
                             if "+" in item:
@@ -202,7 +203,7 @@ def divide_chunks(l, n):
                         value = re.sub(r'^\+\s+', '', str(value))
                     config += "%s%s %s= %s\n" % (' ' * indent, attr, op, parser(value))
             else:
-                if type(value) is dict:
+                if isinstance(value, dict):
                     if "+" in value:
                         op = '+'
                         del value['+']
@@ -210,7 +211,7 @@ def divide_chunks(l, n):
                         config += "%s%s %s= {\n%s%s}\n" % (' '*indent, attr, op, process_hash(attrs=value, indent=indent+2), ' '*indent)
                     else:
                         config += "%s%s %s= {}\n" % (' '*indent, op, attr)
-                elif type(value) is list:
+                elif isinstance(value, list):
                     if value:
                         if value[0] == "+":
                             op = "+"