diff --git a/parameters_validation/validate_parameters_decorator.py b/parameters_validation/validate_parameters_decorator.py
index 7aea24b..4cc3d7c 100644
--- a/parameters_validation/validate_parameters_decorator.py
+++ b/parameters_validation/validate_parameters_decorator.py
@@ -24,10 +24,7 @@ def validate_parameters(func):
     specs = inspect.getfullargspec(func)
     @wraps(func)
     def wrapper(*args, **kwargs):
-        parameters = kwargs.copy()
-        for arg_value, parameter in zip(args, specs.args):
-            parameters[parameter] = arg_value
-
+        parameters = get_parameter_value_dict(args, kwargs)
         for parameter, annotation in specs.annotations.items():
             if not hasattr(annotation, "_parameter_validation"):
                 continue
@@ -35,4 +32,22 @@ def validate_parameters(func):
 
         return func(*args, **kwargs)
 
+    def get_parameter_value_dict(args, kwargs):
+        parameters = kwargs.copy()
+        for arg_value, parameter in zip(args, specs.args):
+            parameters[parameter] = arg_value
+        if specs.defaults:
+            for default_parameter, default_value in zip(specs.args, specs.defaults):
+                if default_parameter in parameters:
+                    pass
+                parameters[default_parameter] = default_value
+        if specs.kwonlydefaults:
+            for default_parameter, default_value in zip(
+                    specs.kwonlyargs, specs.kwonlydefaults
+            ):
+                if default_parameter in parameters:
+                    pass
+                parameters[default_parameter] = default_value
+        return parameters
+
     return wrapper

`strongly_typed` validation does not work with default parameters
Attempting to use `strongly_typed` validation on default parameters will break the code.

```python
from parameters_validation import validate_parameters, strongly_typed

@validate_parameters
def foo(a: strongly_typed(str) = "default value"):
    print(a)
# Breaks and raises an obscure error
```
diff --git a/tests/bugfixes/test_strongly_typed_on_default_parameters.py b/tests/bugfixes/test_strongly_typed_on_default_parameters.py
new file mode 100644
index 0000000..aa6d8a2
--- /dev/null
+++ b/tests/bugfixes/test_strongly_typed_on_default_parameters.py
@@ -0,0 +1,26 @@
+"""
+This test covers a fix for a bug first reported in
+https://github.com/allrod5/parameters-validation/issues/5
+
+In version 1.1.1 a function annotated with decorator
+@validate_parameters would crash if the builtin validation
+`strongly_typed` is used for a parameter with default value
+and there is a call to this function that uses the default value
+
+This bug was fixed in version 1.1.2
+"""
+from parameters_validation import non_null, validate_parameters, strongly_typed
+
+
+def test_strongly_typed_on_default_parameters():
+    # given
+    default_value = "default value"
+    @validate_parameters
+    def guinea_pig(a: strongly_typed(str) = default_value):
+        return a
+
+    # when
+    return_value = guinea_pig()
+
+    # then
+    assert return_value == default_value

pip install -e .[test]
parse_log_pytest
requirements.txt
pytest pytest-cov
3.7
requirements.txt
pytest --no-header -rA --tb=line --color=no -p no:cacheprovider -W ignore::DeprecationWarning
certifi @ file:///croot/certifi_1671487769961/work/certifi
charset-normalizer==3.4.1
coverage==6.5.0
coveralls==3.3.1
docopt==0.6.2
exceptiongroup==1.2.2
idna==3.10
importlib-metadata==6.7.0
iniconfig==2.0.0
packaging==24.0
-e git+https://github.com/allrod5/parameters-validation.git@611c5d4744dde3354ee7e8460d199bc79ee4af94#egg=parameters_validation
pluggy==1.2.0
pytest==7.4.4
pytest-cov==4.1.0
requests==2.31.0
tomli==2.0.1
typing_extensions==4.7.1
urllib3==2.0.7
zipp==3.15.0

name: parameters-validation
channels:
  - defaults
  - https://repo.anaconda.com/pkgs/main
  - https://repo.anaconda.com/pkgs/r
  - conda-forge
dependencies:
  - _libgcc_mutex=0.1=main
  - _openmp_mutex=5.1=1_gnu
  - ca-certificates=2025.2.25=h06a4308_0
  - certifi=2022.12.7=py37h06a4308_0
  - ld_impl_linux-64=2.40=h12ee557_0
  - libffi=3.4.4=h6a678d5_1
  - libgcc-ng=11.2.0=h1234567_1
  - libgomp=11.2.0=h1234567_1
  - libstdcxx-ng=11.2.0=h1234567_1
  - ncurses=6.4=h6a678d5_0
  - openssl=1.1.1w=h7f8727e_0
  - pip=22.3.1=py37h06a4308_0
  - python=3.7.16=h7a1cb2a_0
  - readline=8.2=h5eee18b_0
  - setuptools=65.6.3=py37h06a4308_0
  - sqlite=3.45.3=h5eee18b_0
  - tk=8.6.14=h39e8969_0
  - wheel=0.38.4=py37h06a4308_0
  - xz=5.6.4=h5eee18b_1
  - zlib=1.2.13=h5eee18b_1
  - pip:
      - charset-normalizer==3.4.1
      - coverage==6.5.0
      - coveralls==3.3.1
      - docopt==0.6.2
      - exceptiongroup==1.2.2
      - idna==3.10
      - importlib-metadata==6.7.0
      - iniconfig==2.0.0
      - packaging==24.0
      - pluggy==1.2.0
      - pytest==7.4.4
      - pytest-cov==4.1.0
      - requests==2.31.0
      - tomli==2.0.1
      - typing-extensions==4.7.1
      - urllib3==2.0.7
      - zipp==3.15.0
prefix: /opt/conda/envs/parameters-validation

tests/bugfixes/test_strongly_typed_on_default_parameters.py::test_strongly_typed_on_default_parameters
parameters_validation/validate_parameters_decorator.py
parameters_validation/validate_parameters_decorator.py