diff --git a/scripts/cmake/common_user_options.cmake b/scripts/cmake/common_user_options.cmake
index 3e1206d..97e9b40 100644
--- a/scripts/cmake/common_user_options.cmake
+++ b/scripts/cmake/common_user_options.cmake
@@ -88,9 +88,13 @@
         "${DEPENDENCY_ROOT_DIR}/cmsis"
         PATH)
     USER_OPTION(CMSIS_DSP_SRC_PATH
-	"Path to CMSIS-5 DSP sources"
+        "Path to CMSIS-5 DSP sources"
         "${DEPENDENCY_ROOT_DIR}/cmsis-dsp"
         PATH)
+    USER_OPTION(CMSIS_NN_SRC_PATH
+        "Path to CMSIS-5 NN sources"
+        "${DEPENDENCY_ROOT_DIR}/cmsis-nn"
+        PATH)
 
     # If we need NPU libraries:
     if (ETHOS_U_NPU_ENABLED)