diff --git a/tests/filecheck/dialects/scf/unregistered.mlir b/tests/filecheck/dialects/scf/unregistered.mlir
new file mode 100644
index 0000000000..47651093d5
--- /dev/null
+++ b/tests/filecheck/dialects/scf/unregistered.mlir
@@ -0,0 +1,22 @@
+// RUN: xdsl-opt %s --print-op-generic --allow-unregistered-dialect | xdsl-opt --allow-unregistered-dialect | filecheck %s
+
+// CHECK:      func.func @for_unregistered() {
+// CHECK-NEXT:   %lb = arith.constant 0 : index
+// CHECK-NEXT:   %ub = arith.constant 42 : index
+// CHECK-NEXT:   %s = arith.constant 3 : index
+// CHECK-NEXT:   scf.for %iv = %lb to %ub step %s {
+// CHECK-NEXT:     "unregistered_op"() : () -> ()
+// CHECK-NEXT:   }
+// CHECK-NEXT:   func.return
+// CHECK-NEXT: }
+
+func.func @for_unregistered() {
+  %lb = arith.constant 0 : index
+  %ub = arith.constant 42 : index
+  %s = arith.constant 3 : index
+  scf.for %iv = %lb to %ub step %s {
+    "unregistered_op"() : () -> ()
+    scf.yield
+  }
+  func.return
+}
diff --git a/xdsl/printer.py b/xdsl/printer.py
index 6741a5503e..e11997c249 100644
--- a/xdsl/printer.py
+++ b/xdsl/printer.py
@@ -356,7 +356,9 @@ def print_block(
 
         with self.indented():
             for op in block.ops:
-                if not print_block_terminator and op.has_trait(IsTerminator):
+                if not print_block_terminator and op.has_trait(
+                    IsTerminator, value_if_unregistered=False
+                ):
                     continue
                 self._print_new_line()
                 self.print_op(op)