diff --git a/verif/tosa_error_if.py b/verif/tosa_error_if.py
index eb67ea8..7c162be 100644
--- a/verif/tosa_error_if.py
+++ b/verif/tosa_error_if.py
@@ -41,6 +41,7 @@
     ShapeOfAxisNotOne = "ShapeOfAxisNotOne"
     KernelSmallerOne = "KernelSmallerOne"
     StrideSmallerOne = "StrideSmallerOne"
+    DilationSmallerOne = "DilationSmallerOne"
     PadSmallerZero = "PadSmallerZero"
     PadLargerEqualKernel = "PadLargerEqualKernel"
     PoolingOutputShapeMismatch = "PoolingOutputShapeMismatch"
@@ -68,4 +69,3 @@
     InputListBodyGraphOutputMismatch = "InputListBodyGraphOutputMismatch"
     CondGraphOutputNotMatchingBool = "CondGraphOutputNotMatchingBool"
 
-