diff --git a/src/arch/riscv/isa/decoder.isa b/src/arch/riscv/isa/decoder.isa
index 678e662251..2e291c2b72 100644
--- a/src/arch/riscv/isa/decoder.isa
+++ b/src/arch/riscv/isa/decoder.isa
@@ -771,7 +771,8 @@ decode QUADRANT default Unknown::unknown() {
                 0x0: fence({{
                 }}, uint64_t, IsReadBarrier, IsWriteBarrier, No_OpClass);
                 0x1: fence_i({{
-                }}, uint64_t, IsNonSpeculative, IsSerializeAfter, No_OpClass);
+                }}, uint64_t, IsNonSpeculative, IsSerializeAfter,
+                    IsSquashAfter, No_OpClass);
             }
 
             0x2: decode FUNCT12 {