diff --git a/src/fastlock.cpp b/src/fastlock.cpp
index fdb71e62a..34382f4f0 100644
--- a/src/fastlock.cpp
+++ b/src/fastlock.cpp
@@ -379,7 +379,11 @@ extern "C" void fastlock_lock(struct fastlock *lock, spin_worker worker)
 #if defined(__i386__) || defined(__amd64__)
             __asm__ __volatile__ ("pause");
 #elif defined(__aarch64__)
-            __asm__ __volatile__ ("yield");
+            /* Use an isb here as we've found it's much closer in duration to
+             * the x86 pause instruction vs. yield which is a nop and thus the
+             * loop count is lower and the interconnect gets a lot more traffic
+             * from loading the ticket above. */
+            __asm__ __volatile__ ("isb");
 #endif
 
             if ((++cloops % loopLimit) == 0)