diff --git a/src/core/CL/cl_kernels/activation_float_helpers.h b/src/core/CL/cl_kernels/activation_float_helpers.h
index 2efd269..0c82f83 100644
--- a/src/core/CL/cl_kernels/activation_float_helpers.h
+++ b/src/core/CL/cl_kernels/activation_float_helpers.h
@@ -50,6 +50,9 @@
 // Soft RELU Activation
 #define srelu_op(DATA_TYPE, x, A_VAL, B_VAL) (log((DATA_TYPE)1.0 + exp(x)))
 
+// ELU Activation
+#define elu_op(DATA_TYPE, x, A_VAL, B_VAL) (select(((DATA_TYPE)A_VAL * (exp(x) - (DATA_TYPE)1.0)), x, isgreaterequal(x, (DATA_TYPE)0.0)))
+
 // Absolute Activation
 #define abs_op(DATA_TYPE, x, A_VAL, B_VAL) (fabs(x))