diff --git a/armarx_memory/aron/conversion/pythonic_from_to_aron_ice.py b/armarx_memory/aron/conversion/pythonic_from_to_aron_ice.py
index 2c6c2bfff1294756dd217365015207cdbbf3562c..95deb2647cb04572a5b51e7b1daef1e2bd409ecc 100644
--- a/armarx_memory/aron/conversion/pythonic_from_to_aron_ice.py
+++ b/armarx_memory/aron/conversion/pythonic_from_to_aron_ice.py
@@ -28,11 +28,21 @@ def pythonic_to_aron_ice(
         return AronDataIceTypes.bool(value)
     elif isinstance(value, np.int64):
         return AronDataIceTypes.long(int(value))
-    elif isinstance(value, int) or isinstance(value, np.int32):
-        assert 'invalid value - expected int' not in str(AronIceTypes.int(int(value))), \
-            f'Casting {value} to int failed. Did you intend to use np.int64 instead, ' \
-            'but assigned a plain int value, or converted the value somewhere in the meantime?'
+    elif isinstance(value, np.int32):
         return AronIceTypes.int(int(value))
+    elif isinstance(value, int):
+        # because python is treating int and long the same, we need to differentiate between the two
+        if 'invalid value - expected int' in str(AronIceTypes.int(int(value))):
+            # try to convert it to AronInt -> if it fails this is a long
+            assert 'invalid value - expected int' not in str(AronIceTypes.long(int(value))), \
+                f'Casting {value} to long failed. Did you intend to use np.int64 instead, ' \
+                'but assigned a plain int value, or converted the value somewhere in the meantime?'
+            return AronIceTypes.long(int(value))
+        else:
+            assert 'invalid value - expected int' not in str(AronIceTypes.int(int(value))), \
+                f'Casting {value} to int failed. Did you intend to use np.int64 instead, ' \
+                'but assigned a plain int value, or converted the value somewhere in the meantime?'
+            return AronIceTypes.int(int(value))
     elif isinstance(value, np.float64):
         return AronDataIceTypes.double(float(value))
     elif isinstance(value, float) or isinstance(value, np.float32):