diff --git a/src/arch/arm/isa/insts/crypto.isa b/src/arch/arm/isa/insts/crypto.isa
index bbefa055e0..5faa4b90d5 100644
--- a/src/arch/arm/isa/insts/crypto.isa
+++ b/src/arch/arm/isa/insts/crypto.isa
@@ -41,7 +41,7 @@ let {{
         if (!HaveExt(xc->tcBase(), %(extension)s)) {
             return std::make_shared<UndefinedInstruction>(machInst, true);
         }
-    '''
+    ''' + simdEnabledCheckCode
 
     header_output = ""
     decoder_output = ""
diff --git a/src/arch/arm/isa/insts/crypto64.isa b/src/arch/arm/isa/insts/crypto64.isa
index a96789d9ec..0ed0867136 100644
--- a/src/arch/arm/isa/insts/crypto64.isa
+++ b/src/arch/arm/isa/insts/crypto64.isa
@@ -44,7 +44,8 @@ let {{
         if (!HaveExt(xc->tcBase(), %(extension)s)) {
             return std::make_shared<UndefinedInstruction>(machInst, true);
         }
-    '''
+    ''' + simd64EnabledCheckCode
+
     cryptoRegRegRegPrefix = '''
         Crypto crypto;
         RegVect srcReg1, srcReg2, destReg;