diff --git a/layergen.py b/layergen.py
index fc2db4e..5f6aa96 100644
--- a/layergen.py
+++ b/layergen.py
@@ -387,6 +387,11 @@ class mstr_layergen:
                     pick = randrange(0, len(masks))
                     patchmask = Image.open(masks[pick])
                     patchmask = patchmask.rotate(randrange(0, 360), expand=True)
+
+                    # Make sure patch is within bounds
+                    if patchmask.width > self._imgsize or patchmask.height > self._imgsize:
+                        patchmask.resize((mstr_photores, mstr_photores), Image.Resampling.BILINEAR)
+
                     patchpix = patchmask.load()
                     # Pick from possible tags and values for the patches
                     numbers = list(range(1, 16))
diff --git a/photogen.py b/photogen.py
index ce2decf..17b6b0f 100644
--- a/photogen.py
+++ b/photogen.py
@@ -126,6 +126,11 @@ class mstr_photogen:
                 pick = randrange(0, len(masks))
                 patchmask = Image.open(masks[pick])
                 patchmask = patchmask.rotate(randrange(0, 360), expand=True)
+
+                # Make sure patch is within bounds
+                if patchmask.width > self._tile.width or patchmask.height > self._tile.height:
+                    patchmask.resize((mstr_photores, mstr_photores), Image.Resampling.BILINEAR)
+
                 patchpix = patchmask.load()
 
                 # Pick from possible tags and values for the patches