diff --git a/bundles/org.jkiss.utils/src/org/jkiss/utils/CommonUtils.java b/bundles/org.jkiss.utils/src/org/jkiss/utils/CommonUtils.java
index a881b8f5fb3db52342ffc43b04c7e8aae1cd3023..d81f32afa238367d31141877b90030e0c56adac9 100644
--- a/bundles/org.jkiss.utils/src/org/jkiss/utils/CommonUtils.java
+++ b/bundles/org.jkiss.utils/src/org/jkiss/utils/CommonUtils.java
@@ -983,4 +983,16 @@ public class CommonUtils {
         }
         return grouped;
     }
+
+    /**
+     * Clamps given value to range between lower and upper bounds.
+     *
+     * @param value the value to clamp
+     * @param min   the lower boundary to clamp {@code value} to
+     * @param max   the upper boundary to clamp {@code value} to
+     * @return {@code min} if {@code value} is less than {@code min}, {@code max} if {@code value} is greater than {@code max}, otherwise {@code value}
+     */
+    public static int clamp(int value, int min, int max) {
+        return Math.max(min, Math.min(value, max));
+    }
 }
diff --git a/plugins/org.jkiss.dbeaver.model/src/org/jkiss/dbeaver/model/impl/data/transformers/RadixAttributeTransformer.java b/plugins/org.jkiss.dbeaver.model/src/org/jkiss/dbeaver/model/impl/data/transformers/RadixAttributeTransformer.java
index ff7e16e3f96a74be97ebbb1204ed25720bb2ae26..2323b390730e3f9636e89a4292e74bd4c0c0f771 100644
--- a/plugins/org.jkiss.dbeaver.model/src/org/jkiss/dbeaver/model/impl/data/transformers/RadixAttributeTransformer.java
+++ b/plugins/org.jkiss.dbeaver.model/src/org/jkiss/dbeaver/model/impl/data/transformers/RadixAttributeTransformer.java
@@ -113,7 +113,7 @@ public class RadixAttributeTransformer implements DBDAttributeTransformer {
                     }
                 }
                 if (radix == 2) {
-                    sb.append(strValue.substring(Math.max(strValue.length() - bits, 1)));
+                    sb.append(strValue, 0, CommonUtils.clamp(strValue.length(), 1, bits));
                 } else {
                     sb.append(strValue);
                 }