diff --git a/tools/imx8image.c b/tools/imx8image.c
index 5a76643c06e..3cea536b8e8 100644
--- a/tools/imx8image.c
+++ b/tools/imx8image.c
@@ -23,7 +23,7 @@ static uint8_t cntr_version;
 static uint32_t custom_partition;
 static uint32_t scfw_flags;
 
-int imx8image_check_params(struct image_tool_params *params)
+static int imx8image_check_params(struct image_tool_params *params)
 {
 	return 0;
 }