diff --git a/os/common/startup/ARMCMx/compilers/RVCT/cstartup.s b/os/common/startup/ARMCMx/compilers/RVCT/cstartup.s
index dc7933e41..6a94d130f 100644
--- a/os/common/startup/ARMCMx/compilers/RVCT/cstartup.s
+++ b/os/common/startup/ARMCMx/compilers/RVCT/cstartup.s
@@ -82,7 +82,7 @@ Reset_Handler   PROC
                 isb
                 bl      __early_init
 
-                IF      {CPU} = "Cortex-M4.fp"
+                IF      {CPU} = "Cortex-M4.fp.sp"
                 LDR     R0, =0xE000ED88           ; Enable CP10,CP11
                 LDR     R1, [R0]
                 ORR     R1, R1, #(0xF << 20)