diff --git a/tools/toolchains/arm.py b/tools/toolchains/arm.py
index 94722b2ee0..c4ca667c08 100644
--- a/tools/toolchains/arm.py
+++ b/tools/toolchains/arm.py
@@ -404,8 +404,8 @@ class ARMC6(ARM_STD):
             "Cortex-M4F": "cortex-m4",
             "Cortex-M7F": "cortex-m7",
             "Cortex-M7FD": "cortex-m7",
-            "Cortex-M33": "cortex-m33+no_dsp+no_fp",
-            "Cortex-M33F": "cortex-m33+no_dsp",
+            "Cortex-M33": "cortex-m33+nodsp",
+            "Cortex-M33F": "cortex-m33+nodsp",
             "Cortex-M33FE": "cortex-m33"}.get(core, core)
 
         cpu = cpu.lower()