diff --git a/basis/alien/c-types/c-types.factor b/basis/alien/c-types/c-types.factor
index ff17e68e83..24221160ce 100644
--- a/basis/alien/c-types/c-types.factor
+++ b/basis/alien/c-types/c-types.factor
@@ -494,11 +494,11 @@ SYMBOLS:
         \ ulonglong define-primitive-type
 
         os windows? [
-            \ int c-type \ long typedef
-            \ uint c-type \ ulong typedef
+            \ int c-type \ long define-primitive-type
+            \ uint c-type \ ulong define-primitive-type
         ] [
-            \ longlong c-type \ long typedef
-            \ ulonglong c-type \ ulong typedef
+            \ longlong c-type \ long define-primitive-type
+            \ ulonglong c-type \ ulong define-primitive-type
         ] if
 
         \ longlong c-type \ ptrdiff_t typedef
@@ -529,11 +529,12 @@ SYMBOLS:
             "to_unsigned_8" >>unboxer
         \ ulonglong define-primitive-type
 
-        \ int c-type \ long typedef
+        \ int c-type \ long define-primitive-type
+        \ uint c-type \ ulong define-primitive-type
+
         \ int c-type \ ptrdiff_t typedef
         \ int c-type \ intptr_t typedef
 
-        \ uint c-type \ ulong typedef
         \ uint c-type \ uintptr_t typedef
         \ uint c-type \ size_t typedef
     ] if
diff --git a/basis/cpu/x86/x86.factor b/basis/cpu/x86/x86.factor
index f2751b1be2..0cd557896b 100644
--- a/basis/cpu/x86/x86.factor
+++ b/basis/cpu/x86/x86.factor
@@ -56,8 +56,8 @@ M: x86 stack-frame-size ( stack-frame -- i )
     3 cells +
     align-stack ;
 
-! Must be a volatile register not used for parameter passing, for safe
-! use in calls in and out of C
+! Must be a volatile register not used for parameter passing or
+! integer return
 HOOK: temp-reg cpu ( -- reg )
 
 HOOK: pic-tail-reg cpu ( -- reg )