diff --git a/geoutils/raster/raster.py b/geoutils/raster/raster.py
index e255a8ac..ef0ce767 100644
--- a/geoutils/raster/raster.py
+++ b/geoutils/raster/raster.py
@@ -2161,8 +2161,15 @@ def plot(
 
         # Create colorbar
         # Use rcParam default
-        if cmap is None:
+        if cmap is None and isinstance(bands, int):
+            # ONLY set a cmap arg for single band images
             cmap = plt.get_cmap(plt.rcParams["image.cmap"])
+        elif cmap is None and isinstance(bands, tuple):
+            # Leave cmap as None for multi-band image, because if a cmap
+            # is passed then imshow treats this as an instruction to apply scalar
+            # mapping, which is not a desirable behaviour (it can result in color-casted
+            # RGB images for example).
+            pass
         elif isinstance(cmap, str):
             cmap = plt.get_cmap(cmap)
         elif isinstance(cmap, matplotlib.colors.Colormap):