diff --git a/dlls/api-ms-win-core-rtlsupport-l1-1-0/api-ms-win-core-rtlsupport-l1-1-0.spec b/dlls/api-ms-win-core-rtlsupport-l1-1-0/api-ms-win-core-rtlsupport-l1-1-0.spec
index a1b81f55e57..030506858b3 100644
--- a/dlls/api-ms-win-core-rtlsupport-l1-1-0/api-ms-win-core-rtlsupport-l1-1-0.spec
+++ b/dlls/api-ms-win-core-rtlsupport-l1-1-0/api-ms-win-core-rtlsupport-l1-1-0.spec
@@ -11,5 +11,5 @@
 @ stdcall -norelay RtlRaiseException(ptr) ntdll.RtlRaiseException
 @ stdcall -arch=x86_64 RtlRestoreContext(ptr ptr) ntdll.RtlRestoreContext
 @ stdcall -norelay RtlUnwind(ptr ptr ptr ptr) ntdll.RtlUnwind
-@ stdcall -arch=x86_64 RtlUnwindEx(ptr ptr ptr ptr ptr ptr) ntdll.RtlUnwindEx
+@ stdcall -arch=arm64,x86_64 RtlUnwindEx(ptr ptr ptr ptr ptr ptr) ntdll.RtlUnwindEx
 @ stdcall -arch=arm64,x86_64 RtlVirtualUnwind(long long long ptr ptr ptr ptr ptr) ntdll.RtlVirtualUnwind
diff --git a/dlls/kernel32/kernel32.spec b/dlls/kernel32/kernel32.spec
index 765173b68e8..b562c748c70 100644
--- a/dlls/kernel32/kernel32.spec
+++ b/dlls/kernel32/kernel32.spec
@@ -1299,7 +1299,7 @@
 @ stdcall -arch=arm -norelay RtlRaiseException(ptr) ntdll.RtlRaiseException
 @ stdcall -arch=x86_64 RtlRestoreContext(ptr ptr) ntdll.RtlRestoreContext
 @ stdcall RtlUnwind(ptr ptr ptr long) ntdll.RtlUnwind
-@ stdcall -arch=x86_64 RtlUnwindEx(long long ptr long ptr) ntdll.RtlUnwindEx
+@ stdcall -arch=arm64,x86_64 RtlUnwindEx(long long ptr long ptr) ntdll.RtlUnwindEx
 @ stdcall -arch=arm64,x86_64 RtlVirtualUnwind(long long long ptr ptr ptr ptr ptr) ntdll.RtlVirtualUnwind
 @ stdcall RtlZeroMemory(ptr long) ntdll.RtlZeroMemory
 @ stdcall -i386 -private -norelay SMapLS() krnl386.exe16.SMapLS
diff --git a/dlls/ntdll/ntdll.spec b/dlls/ntdll/ntdll.spec
index 82c78f6e786..b8f5415a7ca 100644
--- a/dlls/ntdll/ntdll.spec
+++ b/dlls/ntdll/ntdll.spec
@@ -983,7 +983,7 @@
 @ stdcall RtlUnlockHeap(long)
 # @ stub RtlUnlockMemoryStreamRegion
 @ stdcall -norelay RtlUnwind(ptr ptr ptr ptr)
-@ stdcall -arch=x86_64 RtlUnwindEx(ptr ptr ptr ptr ptr ptr)
+@ stdcall -arch=arm64,x86_64 RtlUnwindEx(ptr ptr ptr ptr ptr ptr)
 @ stdcall RtlUpcaseUnicodeChar(long)
 @ stdcall RtlUpcaseUnicodeString(ptr ptr long)
 @ stdcall RtlUpcaseUnicodeStringToAnsiString(ptr ptr long)
diff --git a/dlls/ntoskrnl.exe/ntoskrnl.exe.spec b/dlls/ntoskrnl.exe/ntoskrnl.exe.spec
index ddc3f72b8e3..c46891d88c8 100644
--- a/dlls/ntoskrnl.exe/ntoskrnl.exe.spec
+++ b/dlls/ntoskrnl.exe/ntoskrnl.exe.spec
@@ -1210,7 +1210,7 @@
 @ stdcall RtlUnicodeToOemN(ptr long ptr ptr long)
 @ stub RtlUnlockBootStatusData
 @ stdcall -norelay RtlUnwind(ptr ptr ptr ptr)
-@ stdcall -arch=x86_64 RtlUnwindEx(ptr ptr ptr ptr ptr ptr)
+@ stdcall -arch=arm64,x86_64 RtlUnwindEx(ptr ptr ptr ptr ptr ptr)
 @ stdcall RtlUpcaseUnicodeChar(long)
 @ stdcall RtlUpcaseUnicodeString(ptr ptr long)
 @ stdcall RtlUpcaseUnicodeStringToAnsiString(ptr ptr long)