diff --git a/arch/sim/src/sim/sim_vfork_arm64.S b/arch/sim/src/sim/sim_vfork_arm64.S
index f0064ef1e5d..cf3ec07db0c 100644
--- a/arch/sim/src/sim/sim_vfork_arm64.S
+++ b/arch/sim/src/sim/sim_vfork_arm64.S
@@ -29,10 +29,12 @@
  * Pre-processor Definitions
  ***************************************************************************/
 
-#if defined(CONFIG_HOST_MACOS)
-	#define SYMBOL(x) _##x
+#ifdef __CYGWIN__
+#  define SYMBOL(s) _##s
+#elif defined(__ELF__)
+#  define SYMBOL(s) s
 #else
-	#define SYMBOL(x) x
+#  define SYMBOL(s) _##s
 #endif
 
 /****************************************************************************
diff --git a/arch/sim/src/sim/sim_vfork_x86.S b/arch/sim/src/sim/sim_vfork_x86.S
index ff728247c3a..855831c4750 100644
--- a/arch/sim/src/sim/sim_vfork_x86.S
+++ b/arch/sim/src/sim/sim_vfork_x86.S
@@ -30,11 +30,11 @@
  ************************************************************************************/
 
 #ifdef __CYGWIN__
-# define SYMBOL(s) _##s
+#  define SYMBOL(s) _##s
 #elif defined(__ELF__)
-# define SYMBOL(s) s
+#  define SYMBOL(s) s
 #else
-# define SYMBOL(s) _##s
+#  define SYMBOL(s) _##s
 #endif
 
 /************************************************************************************
diff --git a/arch/sim/src/sim/sim_vfork_x86_64.S b/arch/sim/src/sim/sim_vfork_x86_64.S
index bf1ec71d5dd..2334873d4a0 100644
--- a/arch/sim/src/sim/sim_vfork_x86_64.S
+++ b/arch/sim/src/sim/sim_vfork_x86_64.S
@@ -30,11 +30,11 @@
  ************************************************************************************/
 
 #ifdef __CYGWIN__
-# define SYMBOL(s) _##s
+#  define SYMBOL(s) _##s
 #elif defined(__ELF__)
-# define SYMBOL(s) s
+#  define SYMBOL(s) s
 #else
-# define SYMBOL(s) _##s
+#  define SYMBOL(s) _##s
 #endif
 
 /************************************************************************************
diff --git a/libs/libc/machine/sim/arch_setjmp_arm64.S b/libs/libc/machine/sim/arch_setjmp_arm64.S
index e3f06a1a2ea..fea6140dc46 100644
--- a/libs/libc/machine/sim/arch_setjmp_arm64.S
+++ b/libs/libc/machine/sim/arch_setjmp_arm64.S
@@ -29,10 +29,12 @@
  * Pre-processor Definitions
  ****************************************************************************/
 
-#if defined(CONFIG_HOST_MACOS)
-    #define SYMBOL(x) _##x
+#ifdef __CYGWIN__
+#  define SYMBOL(s) _##s
+#elif defined(__ELF__)
+#  define SYMBOL(s) s
 #else
-    #define SYMBOL(x) x
+#  define SYMBOL(s) _##s
 #endif
 
 /****************************************************************************
diff --git a/libs/libc/machine/sim/arch_setjmp_x86.S b/libs/libc/machine/sim/arch_setjmp_x86.S
index bae205f365e..e9bdef6a05f 100644
--- a/libs/libc/machine/sim/arch_setjmp_x86.S
+++ b/libs/libc/machine/sim/arch_setjmp_x86.S
@@ -29,11 +29,11 @@
  **************************************************************************/
 
 #ifdef __CYGWIN__
-# define SYMBOL(s) _##s
+#  define SYMBOL(s) _##s
 #elif defined(__ELF__)
-# define SYMBOL(s) s
+#  define SYMBOL(s) s
 #else
-# define SYMBOL(s) _##s
+#  define SYMBOL(s) _##s
 #endif
 
 /**************************************************************************
diff --git a/libs/libc/machine/sim/arch_setjmp_x86_64.S b/libs/libc/machine/sim/arch_setjmp_x86_64.S
index 893dc1fe82d..0dccb23980b 100644
--- a/libs/libc/machine/sim/arch_setjmp_x86_64.S
+++ b/libs/libc/machine/sim/arch_setjmp_x86_64.S
@@ -63,11 +63,11 @@
 #endif
 
 #ifdef __CYGWIN__
-# define SYMBOL(s) s
+#  define SYMBOL(s) _##s
 #elif defined(__ELF__)
-# define SYMBOL(s) s
+#  define SYMBOL(s) s
 #else
-# define SYMBOL(s) _##s
+#  define SYMBOL(s) _##s
 #endif
 
 /**************************************************************************