diff --git a/tools/buildmgr/cbuildgen/config/CLANG.17.0.1.cmake b/tools/buildmgr/cbuildgen/config/CLANG.17.0.1.cmake
index cb2806e0d..ebd9f5a21 100644
--- a/tools/buildmgr/cbuildgen/config/CLANG.17.0.1.cmake
+++ b/tools/buildmgr/cbuildgen/config/CLANG.17.0.1.cmake
@@ -192,7 +192,7 @@ elseif(CPU STREQUAL "Cortex-M52")
     else()
       set(CLANG_MCPU "cortex-m52")
     endif()
-    set(CLANG_MFPU "fpv5-sp-d16")
+    set(CLANG_MFPU "fp-armv8-fullfp16-d16")
     set(CLANG_MFLOATABI "hard")
   endif()
 elseif(CPU STREQUAL "Star-MC3")
@@ -250,7 +250,7 @@ elseif(CPU STREQUAL "Cortex-M55")
     else()
       set(CLANG_MCPU "cortex-m55")
     endif()
-    set(CLANG_MFPU "fpv5-sp-d16")
+    set(CLANG_MFPU "fp-armv8-fullfp16-d16")
     set(CLANG_MFLOATABI "hard")
   endif()
 elseif(CPU STREQUAL "Cortex-M85")
@@ -273,7 +273,7 @@ elseif(CPU STREQUAL "Cortex-M85")
     else()
       set(CLANG_MCPU "cortex-m85")
     endif()
-    set(CLANG_MFPU "fpv5-sp-d16")
+    set(CLANG_MFPU "-mfpu=fp-armv8-fullfp16-d16")
     set(CLANG_MFLOATABI "hard")
   endif()
 elseif(CPU STREQUAL "Cortex-A5")