diff --git a/kernel/CMakeLists.txt b/kernel/CMakeLists.txt
index 8aa6728d5..98c803e71 100644
--- a/kernel/CMakeLists.txt
+++ b/kernel/CMakeLists.txt
@@ -678,7 +678,7 @@ endif ()
           set(SBGEMM_SMALL_K_B0_TN ../generic/gemm_small_matrix_kernel_tn.c)
       endif ()
       if (NOT DEFINED SBGEMM_SMALL_K_B0_TT)
-          set($SBGEMM_SMALL_K_B0_TT ../generic/gemm_small_matrix_kernel_tt.c)
+          set(SBGEMM_SMALL_K_B0_TT ../generic/gemm_small_matrix_kernel_tt.c)
       endif ()
 	    GenerateNamedObjects("${KERNELDIR}/${SBGEMM_SMALL_M_PERMIT}" "" "gemm_small_matrix_permit" false "" "" false "BFLOAT16")
             GenerateNamedObjects("${KERNELDIR}/${SBGEMM_SMALL_K_NN}" "" "gemm_small_kernel_nn" false "" "" false "BFLOAT16")