diff --git a/lib_com/ivas_error.h b/lib_com/ivas_error.h
index 58c356adef991ebc1f76b23b1e17fb6a2d22038b..0f47de161222eb175979a26522f6d1711dfa3242 100644
--- a/lib_com/ivas_error.h
+++ b/lib_com/ivas_error.h
@@ -136,6 +136,9 @@ typedef enum
     IVAS_ERR_BITSTREAM_READER_INVALID_FORMAT,
     IVAS_ERR_NO_FILE_OPEN,
     IVAS_ERR_SAMPLING_RATE_UNKNOWN,
+#ifdef FIX_1370_EXTERNAL_ORIENTATION_CHECK
+    IVAS_ERR_EXTERNAL_ORIENTATION_INVALID_FORMAT,
+#endif
 
     /*----------------------------------------*
      *    renderer (lib_rend only)            *
@@ -275,6 +278,10 @@ static inline const char *ivas_error_to_string( ivas_error error_code )
             return "Invalid input format";
         case IVAS_ERR_INVALID_INDEX:
             return "Invalid index";
+#ifdef FIX_1370_EXTERNAL_ORIENTATION_CHECK
+        case IVAS_ERR_EXTERNAL_ORIENTATION_INVALID_FORMAT:
+            return "Euler angles were detected in the input but only Quaternions are supported";
+#endif
         default:
             break;
     }
diff --git a/lib_com/options.h b/lib_com/options.h
index 3f26635f13947d1e6198991785fab4d685110ecd..e422a9e12ff5f48b17d1b6fe026f03ca4459c082 100644
--- a/lib_com/options.h
+++ b/lib_com/options.h
@@ -192,6 +192,7 @@
 #define UNIFIED_DECODING_PATHS_LEFTOVERS                /* VA: issue 880: remove leftovers after NONBE_UNIFIED_DECODING_PATHS */
 #define FIX_NCHAN_BUFFERS                               /* VA: issue 1322: Correct the number of float buffers (channels) at the decoder */
 #define FIX_RENDERER_STACK                              /* VA: issue 1322: reduction of renderers' buffers size */
+#define FIX_1370_EXTERNAL_ORIENTATION_CHECK             /* Nokia: add sanity check for Euler angles for external orientations */
 
 // object-editing feature porting
 #define FIX_HRTF_LOAD_API                               // solves API conflicts between HRTF and object-editing features
diff --git a/lib_util/rotation_file_reader.c b/lib_util/rotation_file_reader.c
index f659fbb9fa558c8312f2b8c1c3b909f73b980474..ad16530561b52089603b8a7d538988d387a9476f 100644
--- a/lib_util/rotation_file_reader.c
+++ b/lib_util/rotation_file_reader.c
@@ -174,6 +174,14 @@ ivas_error ExternalOrientationFileReading(
     }
 
     ( externalOrientationReader->frameCounter )++;
+#ifdef FIX_1370_EXTERNAL_ORIENTATION_CHECK
+
+    /* Only Quaternion orientations are supported, raise an error if Euler angles are detected in the input */
+    if ( w == -3.0f )
+    {
+        return IVAS_ERR_EXTERNAL_ORIENTATION_INVALID_FORMAT;
+    }
+#endif
 
     pQuaternion->w = w;
     pQuaternion->x = x;