diff --git a/compiler/aarch64/aoptcpu.pas b/compiler/aarch64/aoptcpu.pas
index d3dc440481..ea3c11c1de 100644
--- a/compiler/aarch64/aoptcpu.pas
+++ b/compiler/aarch64/aoptcpu.pas
@@ -376,6 +376,8 @@ Implementation
               Result:=OptPass1Data(p);
             A_UXTB:
               Result:=OptPass1UXTB(p);
+            A_UXTH:
+              Result:=OptPass1UXTH(p);
             A_SXTB:
               Result:=OptPass1SXTB(p);
             A_SXTH: