arm_compute v19.11
diff --git a/src/runtime/CL/functions/CLCannyEdge.cpp b/src/runtime/CL/functions/CLCannyEdge.cpp
index 4c7458d..dbaea81 100644
--- a/src/runtime/CL/functions/CLCannyEdge.cpp
+++ b/src/runtime/CL/functions/CLCannyEdge.cpp
@@ -128,7 +128,7 @@
     }
     else
     {
-        ARM_COMPUTE_ERROR("Gradient size %d not supported", gradient_size);
+        ARM_COMPUTE_ERROR_VAR("Gradient size %d not supported", gradient_size);
     }
 
     // Manage intermediate buffers