diff --git a/sdk/lib/cpprt/amd64/cpprt.s b/sdk/lib/cpprt/amd64/cpprt.s
index ebaebb9861d..36c09fb80d8 100644
--- a/sdk/lib/cpprt/amd64/cpprt.s
+++ b/sdk/lib/cpprt/amd64/cpprt.s
@@ -2,8 +2,8 @@
 
 .code
 
-MACRO(DEFINE_ALIAS, alias, orig, type)
-EXTERN &orig:&type
+MACRO(DEFINE_ALIAS, alias, orig)
+EXTERN &orig : PROC
 ALIAS <&alias> = <&orig>
 ENDM
 
diff --git a/sdk/lib/cpprt/i386/cpprt.s b/sdk/lib/cpprt/i386/cpprt.s
index cfc3dc9e9cf..eeaf87f5d6a 100644
--- a/sdk/lib/cpprt/i386/cpprt.s
+++ b/sdk/lib/cpprt/i386/cpprt.s
@@ -2,8 +2,8 @@
 
 .code
 
-MACRO(DEFINE_ALIAS, alias, orig, type)
-EXTERN &orig:&type
+MACRO(DEFINE_ALIAS, alias, orig)
+EXTERN &orig : PROC
 ALIAS <&alias> = <&orig>
 ENDM
 
diff --git a/sdk/lib/crt/stdlib/clang-alias.s b/sdk/lib/crt/stdlib/clang-alias.s
index 56550073af8..8609ee9f1da 100644
--- a/sdk/lib/crt/stdlib/clang-alias.s
+++ b/sdk/lib/crt/stdlib/clang-alias.s
@@ -2,8 +2,8 @@
 
 .code
 
-MACRO(DEFINE_ALIAS, alias, orig, type)
-EXTERN &orig:&type
+MACRO(DEFINE_ALIAS, alias, orig)
+EXTERN &orig : PROC
 ALIAS <&alias> = <&orig>
 ENDM