diff --git a/zjit/src/hir.rs b/zjit/src/hir.rs
index e187dd6e64..6c2bd09ad3 100644
--- a/zjit/src/hir.rs
+++ b/zjit/src/hir.rs
@@ -1205,6 +1205,7 @@ impl Insn {
             Insn::IncrCounter(_) => effects::Any,
             Insn::IncrCounterPtr { .. } => effects::Any,
             Insn::CheckInterrupts { .. } => effects::Any,
+            Insn::InvokeProc { .. } => effects::Any,
         }
     }