diff --git a/CHANGELOG.md b/CHANGELOG.md
index 0ce249e3..b96a4f6c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -87,7 +87,7 @@ Links "DE#nnn" prior to version 2.0 point to the Dash Enterprise closed-source D
 - [#47](https://github.com/plotly/dash-ag-grid/pull/47) Fix `virtualRowData` by setting the default `rowModelType='clientSide'`
 - [#81](https://github.com/plotly/dash-ag-grid/pull/81) Fixing syncing issue with `rowData`, `virtualRowData` when cell edits and async `rowTransactions` occur
 - [#90](https://github.com/plotly/dash-ag-grid/pull/90) Fixing `columnState` to be populated once `gridReady`
-
+- [#92](https://github.com/plotly/dash-ag-grid/pull/92) Fixing `defaultStyle` when no `styleConditions` is in `cellStyle`
 
 ## [1.3.2] - 2023-01-13
 
diff --git a/src/lib/fragments/AgGrid.react.js b/src/lib/fragments/AgGrid.react.js
index 2ed28366..6a344ec7 100644
--- a/src/lib/fragments/AgGrid.react.js
+++ b/src/lib/fragments/AgGrid.react.js
@@ -337,7 +337,10 @@ export default class DashAgGrid extends Component {
             }
 
             if ('cellStyle' in colOut) {
-                if (Object.keys(colOut.cellStyle).includes('styleConditions')) {
+                if (
+                    Object.keys(colOut.cellStyle).includes('styleConditions') ||
+                    Object.keys(colOut.cellStyle).includes('defaultStyle')
+                ) {
                     const cellStyle = JSON.parse(
                         JSON.stringify(colOut.cellStyle)
                     );
diff --git a/tests/test_default_styles.py b/tests/test_default_styles.py
new file mode 100644
index 00000000..e693778f
--- /dev/null
+++ b/tests/test_default_styles.py
@@ -0,0 +1,49 @@
+import dash_ag_grid as dag
+from dash import Dash, html, dcc
+from . import utils
+import time
+from dash.testing.wait import until
+
+def test_ds001_default_styles(dash_duo):
+    app = Dash(__name__)
+
+    columnDefs = [
+        {"headerName": "Make", "field": "make"},
+        {"headerName": "Model", "field": "model"},
+        {"headerName": "Price", "field": "price", 'cellStyle': {'defaultStyle': {'color': 'green'}}},
+    ]
+
+    rowData = [
+        {"make": "Toyota", "model": "Celica", "price": 35000},
+        {"make": "Ford", "model": "Mondeo", "price": 32000},
+        {"make": "Porsche", "model": "Boxter", "price": 72000},
+    ]
+
+    grid_with_default_cell_styles = html.Div(
+        [
+            html.H3(children="Grid with Default Cell Styles"),
+            dag.AgGrid(
+                columnDefs=columnDefs,
+                rowData=rowData,
+                columnSize="sizeToFit",
+                defaultColDef=dict(
+                    resizable=True,
+                    cellStyle={"defaultStyle": {"color": "blue"}},
+                ),
+                id='grid'
+            ),
+            html.Hr(),
+        ]
+    )
+
+    app.layout = grid_with_default_cell_styles
+
+    dash_duo.start_server(app)
+
+    grid = utils.Grid(dash_duo, "grid")
+
+    grid.wait_for_cell_text(0, 0, "Toyota")
+
+    ### testing styles
+    until(lambda: 'color: blue' in grid.get_cell(0, 0).get_attribute('style'), timeout=3)
+    until(lambda: 'color: green' in grid.get_cell(0, 2).get_attribute('style'), timeout=3)