diff --git a/io_scene_a3d/A3DObjects.py b/io_scene_a3d/A3DObjects.py
index dac8ad5..60c9525 100644
--- a/io_scene_a3d/A3DObjects.py
+++ b/io_scene_a3d/A3DObjects.py
@@ -36,6 +36,7 @@ class A3DMaterial:
         print(f"[A3DMaterial name: {self.name} color: {self.color} diffuse map: {self.diffuseMap}]")
 
     def read3(self, stream):
+        print(stream.tell())
         self.name = readLengthPrefixedString(stream)
         self.color = unpackStream("<3f", stream)
         self.diffuseMap = readLengthPrefixedString(stream)
diff --git a/io_scene_a3d/IOTools.py b/io_scene_a3d/IOTools.py
index fe136ea..e7b6064 100644
--- a/io_scene_a3d/IOTools.py
+++ b/io_scene_a3d/IOTools.py
@@ -33,7 +33,7 @@ def readNullTerminatedString(stream):
     while char != b"\x00":
         string += char
         char = stream.read(1)
-    return string.decode("utf8")
+    return string.decode("utf8", errors="ignore")
 
 def calculatePadding(length):
     # (it basically works with rounding)
@@ -47,4 +47,4 @@ def readLengthPrefixedString(stream):
     paddingSize = calculatePadding(length)
     stream.read(paddingSize)
 
-    return string.decode("utf8")
\ No newline at end of file
+    return string.decode("utf8", errors="ignore")
\ No newline at end of file