diff --git a/src/afs/DARWIN/osi_machdep.h b/src/afs/DARWIN/osi_machdep.h
index f513020860..175005291b 100644
--- a/src/afs/DARWIN/osi_machdep.h
+++ b/src/afs/DARWIN/osi_machdep.h
@@ -105,7 +105,7 @@ enum vcexcl { EXCL, NONEXCL };
 #define crref kauth_cred_get_with_ref
 #define crhold kauth_cred_ref
 #ifdef AFS_DARWIN100_ENV
-static inline void crfree(kauth_cred_t X) { kauth_cred_unref(&X); }
+#define crfree(X) kauth_cred_unref(&X)
 #else
 #define crfree kauth_cred_rele
 #endif
diff --git a/src/afs/VNOPS/afs_vnop_write.c b/src/afs/VNOPS/afs_vnop_write.c
index 0f6007b593..5ef62aaead 100644
--- a/src/afs/VNOPS/afs_vnop_write.c
+++ b/src/afs/VNOPS/afs_vnop_write.c
@@ -47,6 +47,8 @@ afs_StoreOnLastReference(struct vcache *avc,
      * flag will already be clear, so we don't have to worry about
      * clearing it twice. */
     if (avc->f.states & CCore) {
+	afs_ucred_t *cred;
+
 	avc->f.states &= ~CCore;
 #if defined(AFS_SGI_ENV)
 	osi_Assert(avc->opens > 0 && avc->execsOrWriters > 0);
@@ -58,7 +60,8 @@ afs_StoreOnLastReference(struct vcache *avc,
 	avc->opens--;
 	avc->execsOrWriters--;
 	AFS_RELE(AFSTOV(avc));	/* VN_HOLD at set CCore(afs_FakeClose) */
-	crfree((afs_ucred_t *)avc->linkData);	/* "crheld" in afs_FakeClose */
+	cred = (afs_ucred_t *)avc->linkData;	/* "crheld" in afs_FakeClose */
+	crfree(cred);
 	avc->linkData = NULL;
     }