diff --git a/src/core/CL/cl_kernels/gemm.cl b/src/core/CL/cl_kernels/gemm.cl
index 57a5af8..66d0e10 100644
--- a/src/core/CL/cl_kernels/gemm.cl
+++ b/src/core/CL/cl_kernels/gemm.cl
@@ -2094,7 +2094,11 @@
 #endif // defined(BETA)
 
 #if defined(ACTIVATION_TYPE)
+#if defined(MIXED_PRECISION)
     ACTIVATION_BLOCK(M0, ACTIVATION_TYPE, DATA_TYPE_ACCUMULATOR, c, A_VAL, B_VAL);
+#else  // defined(MIXED_PRECISION)
+    ACTIVATION_BLOCK(M0, ACTIVATION_TYPE, DATA_TYPE, c, A_VAL, B_VAL);
+#endif // defined(MIXED_PRECISION)
 #endif // defined(ACTIVATION_TYPE)
 
     // Store output block
@@ -2570,7 +2574,11 @@
 #endif // defined(BETA)
 
 #if defined(ACTIVATION_TYPE)
+#if defined(MIXED_PRECISION)
+    ACTIVATION_BLOCK(M0, ACTIVATION_TYPE, DATA_TYPE_ACCUMULATOR, c, A_VAL, B_VAL);
+#else  // defined(MIXED_PRECISION)
     ACTIVATION_BLOCK(M0, ACTIVATION_TYPE, DATA_TYPE, c, A_VAL, B_VAL);
+#endif // defined(MIXED_PRECISION)
 #endif // defined(ACTIVATION_TYPE)
 
     // Store output block