diff --git a/maps4fs/generator/dem.py b/maps4fs/generator/dem.py
index df3302ff..773c3226 100644
--- a/maps4fs/generator/dem.py
+++ b/maps4fs/generator/dem.py
@@ -125,6 +125,13 @@ def process(self) -> None:
             "Gaussion blur applied to DEM data with kernel size %s.",
             self.blur_radius,
         )
+        self.logger.debug(
+            "DEM data was blurred. Shape: %s, dtype: %s. Min: %s, max: %s.",
+            resampled_data.shape,
+            resampled_data.dtype,
+            resampled_data.min(),
+            resampled_data.max(),
+        )
 
         cv2.imwrite(self._dem_path, resampled_data)
         self.logger.debug("DEM data was saved to %s.", self._dem_path)
@@ -244,13 +251,28 @@ def colored_preview(self) -> str:
 
         self.logger.debug("Creating colored preview of DEM data in %s.", colored_dem_path)
 
-        dem_data = cv2.imread(self._dem_path, cv2.IMREAD_GRAYSCALE)
+        dem_data = cv2.imread(self._dem_path, cv2.IMREAD_UNCHANGED)
+
+        self.logger.debug(
+            "DEM data before normalization. Shape: %s, dtype: %s. Min: %s, max: %s.",
+            dem_data.shape,
+            dem_data.dtype,
+            dem_data.min(),
+            dem_data.max(),
+        )
 
-        # Create an empty array with the same shape and type as dem_data
+        # Create an empty array with the same shape and type as dem_data.
         dem_data_normalized = np.empty_like(dem_data)
 
         # Normalize the DEM data to the range [0, 255]
         cv2.normalize(dem_data, dem_data_normalized, 0, 255, cv2.NORM_MINMAX)
+        self.logger.debug(
+            "DEM data after normalization. Shape: %s, dtype: %s. Min: %s, max: %s.",
+            dem_data_normalized.shape,
+            dem_data_normalized.dtype,
+            dem_data_normalized.min(),
+            dem_data_normalized.max(),
+        )
         dem_data_colored = cv2.applyColorMap(dem_data_normalized, cv2.COLORMAP_JET)
 
         cv2.imwrite(colored_dem_path, dem_data_colored)
diff --git a/pyproject.toml b/pyproject.toml
index 0248fd97..fcb77219 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -4,7 +4,7 @@ build-backend = "setuptools.build_meta"
 
 [project]
 name = "maps4fs"
-version = "0.7.6"
+version = "0.7.7"
 description = "Generate map templates for Farming Simulator from real places."
 authors = [{name = "iwatkot", email = "iwatkot@gmail.com"}]
 license = {text = "MIT License"}
diff --git a/webui/webui.py b/webui/webui.py
index 3682e057..796d8312 100644
--- a/webui/webui.py
+++ b/webui/webui.py
@@ -42,7 +42,7 @@ def add_widgets(self) -> None:
         st.write("Enter latitude and longitude of the center point of the map:")
         self.lat_lon_input = st.text_input(
             "Latitude and Longitude",
-            "45.26, 19.80",
+            "45.28571409289627, 20.237433441210115",
             key="lat_lon",
             label_visibility="collapsed",
         )