diff --git a/reader/src/main/java/com/rusefi/can/reader/dbc/DbcField.java b/reader/src/main/java/com/rusefi/can/reader/dbc/DbcField.java
index 98ec1ee..694d12d 100644
--- a/reader/src/main/java/com/rusefi/can/reader/dbc/DbcField.java
+++ b/reader/src/main/java/com/rusefi/can/reader/dbc/DbcField.java
@@ -131,6 +131,8 @@ public class DbcField {
 
     public boolean coversByte(int byteIndex) {
         int startBit = byteIndex * 8;
+        if (isBigEndian && /* byte endianess less important for one byte fields */ length > 8)
+            startBit += 8;
         if (startOffset > startBit)
             return false;
         return startOffset + length >= startBit + 8;
diff --git a/reader/src/test/java/com/rusefi/can/reader/dbc/DbcFieldTest.java b/reader/src/test/java/com/rusefi/can/reader/dbc/DbcFieldTest.java
index df5bcf6..47c6fea 100644
--- a/reader/src/test/java/com/rusefi/can/reader/dbc/DbcFieldTest.java
+++ b/reader/src/test/java/com/rusefi/can/reader/dbc/DbcFieldTest.java
@@ -9,9 +9,9 @@ public class DbcFieldTest {
     @Test
     public void testBigEndian() {
         DbcField field = new DbcField("", 8, 16, 1, 0, null, true);
-        assertFalse(field.coversByte(0));
+        assertTrue(field.coversByte(0));
         assertTrue(field.coversByte(1));
-        assertTrue(field.coversByte(2));
+        assertFalse(field.coversByte(2));
         assertFalse(field.coversByte(3));
     }