diff --git a/boards/st/stm32n6570_dk/twister.yaml b/boards/st/stm32n6570_dk/twister.yaml
index 27d6d2d7975..233374c6c8e 100644
--- a/boards/st/stm32n6570_dk/twister.yaml
+++ b/boards/st/stm32n6570_dk/twister.yaml
@@ -21,6 +21,8 @@ supported:
 variants:
   stm32n6570_dk/stm32n657xx:
     twister: false
+  stm32n6570_dk/stm32n657xx/fsbl:
+    twister: false
   stm32n6570_dk/stm32n657xx/sb:
     toolchain:
       - zephyr