diff --git a/arch/arm/include/arm/syscall.h b/arch/arm/include/arm/syscall.h
index 3341062abb0..151a8940982 100644
--- a/arch/arm/include/arm/syscall.h
+++ b/arch/arm/include/arm/syscall.h
@@ -54,7 +54,7 @@
  * Pre-processor Definitions
  ****************************************************************************/
 
-#define SYS_syscall 0x900001
+#define SYS_syscall 0x00
 
 #if defined(__thumb__) || defined(__thumb2__)
 #  define SYS_smhcall 0xab
diff --git a/arch/arm/include/armv7-a/syscall.h b/arch/arm/include/armv7-a/syscall.h
index 20be865c2eb..627355d52ad 100644
--- a/arch/arm/include/armv7-a/syscall.h
+++ b/arch/arm/include/armv7-a/syscall.h
@@ -54,7 +54,7 @@
  * Pre-processor Definitions
  ****************************************************************************/
 
-#define SYS_syscall 0x900001
+#define SYS_syscall 0x00
 
 #if defined(__thumb__) || defined(__thumb2__)
 #  define SYS_smhcall 0xab
diff --git a/arch/arm/include/armv7-r/syscall.h b/arch/arm/include/armv7-r/syscall.h
index f66cfbf53e7..a284faf3f1e 100644
--- a/arch/arm/include/armv7-r/syscall.h
+++ b/arch/arm/include/armv7-r/syscall.h
@@ -54,7 +54,7 @@
  * Pre-processor Definitions
  ****************************************************************************/
 
-#define SYS_syscall 0x900001
+#define SYS_syscall 0x00
 
 #if defined(__thumb__) || defined(__thumb2__)
 #  define SYS_smhcall 0xab