diff --git a/gum/arch-arm64/gumarm64writer.c b/gum/arch-arm64/gumarm64writer.c
index 42683f470..55714eeb8 100644
--- a/gum/arch-arm64/gumarm64writer.c
+++ b/gum/arch-arm64/gumarm64writer.c
@@ -1992,15 +1992,21 @@ gum_arm64_writer_commit_literals (GumArm64Writer * self)
     if (r->width != GUM_LITERAL_64BIT)
       continue;
 
+    /*
+     * Whilst instructions in aarch64 are always in little endian (even on 
+     * big-endian systems), the data is in native endian. Thus we don't need
+     * to make use of the GINT64_FROM_LE and GINT64_TO_LE when accessing the
+     * "slot" below.
+     */
     for (slot = first_slot; slot != last_slot; slot++)
     {
-      if (GINT64_FROM_LE (*slot) == r->val)
+      if (*slot == r->val)
         break;
     }
 
     if (slot == last_slot)
     {
-      *slot = GINT64_TO_LE (r->val);
+      *slot = r->val;
       last_slot = slot + 1;
     }
 
@@ -2024,15 +2030,21 @@ gum_arm64_writer_commit_literals (GumArm64Writer * self)
     if (r->width != GUM_LITERAL_32BIT)
       continue;
 
+    /*
+     * Whilst instructions in aarch64 are always in little endian (even on 
+     * big-endian systems), the data is in native endian. Thus we don't need
+     * to make use of the GINT64_FROM_LE and GINT64_TO_LE when accessing the
+     * "slot" below.
+     */
     for (slot = first_slot; slot != last_slot; slot++)
     {
-      if (GINT32_FROM_LE (*slot) == r->val)
+      if (*slot == r->val)
         break;
     }
 
     if (slot == last_slot)
     {
-      *slot = GINT32_TO_LE (r->val);
+      *slot = r->val;
       last_slot = slot + 1;
     }
 
diff --git a/gum/gumdefs.h b/gum/gumdefs.h
index afec756d8..47fb395f5 100644
--- a/gum/gumdefs.h
+++ b/gum/gumdefs.h
@@ -119,9 +119,10 @@ typedef GumMipsCpuContext GumCpuContext;
  * The only non-legacy big-endian configuration on 32-bit ARM systems is BE8.
  * In this configuration, whilst the data is in big-endian, the code stream is
  * still in little-endian. Since Capstone is disassembling the code stream, it
- * should work in little-endian even on BE8 systems.
+ * should work in little-endian even on BE8 systems. On big-endian 64-bit ARM
+ * systems, the code stream is likewise in little-endian.
  */
-#if G_BYTE_ORDER == G_LITTLE_ENDIAN || defined (__arm__)
+#if G_BYTE_ORDER == G_LITTLE_ENDIAN || defined (__arm__) || defined (__aarch64__)
 # define GUM_DEFAULT_CS_ENDIAN CS_MODE_LITTLE_ENDIAN
 #else
 # define GUM_DEFAULT_CS_ENDIAN CS_MODE_BIG_ENDIAN