diff --git a/test/test_renderer_failures.py b/test/test_renderer_failures.py
index e709f653ac..fafd30d3d8 100644
--- a/test/test_renderer_failures.py
+++ b/test/test_renderer_failures.py
@@ -6,7 +6,7 @@ from tinygrad.codegen.linearize import linearize_uop
 from tinygrad.device import Buffer, Device
 from tinygrad.dtype import dtypes
 from tinygrad.engine.realize import CompiledRunner
-from tinygrad.helpers import dedup, flatten, getenv, prod
+from tinygrad.helpers import dedup, flatten, prod
 from tinygrad.renderer.cstyle import CStyleLanguage
 from tinygrad.ops import BinaryOps, UOp, UOps
 from tinygrad.renderer import Program
@@ -62,11 +62,7 @@ class TestPTXFailures(unittest.TestCase):
     sink = UOp(UOps.SINK, dtypes.void, (gated_alu_store,))
     uops = linearize_uop(full_graph_rewrite(sink, Device[Device.DEFAULT].renderer))
     ret = _test_uop_result([], uops, local_size=[4, 1, 1])[0]
-
-    if getenv("PTX"):
-      with self.assertRaises(AssertionError):
-        np.testing.assert_equal(ret, [0, 1, 1, 1])
-    else: np.testing.assert_equal(ret, [0, 1, 1, 1])
+    np.testing.assert_equal(ret, [0, 1, 1, 1])
 
 if __name__ == '__main__':
   unittest.main()
diff --git a/tinygrad/renderer/ptx.py b/tinygrad/renderer/ptx.py
index e27e2fdf26..1677cee330 100644
--- a/tinygrad/renderer/ptx.py
+++ b/tinygrad/renderer/ptx.py
@@ -96,7 +96,8 @@ class PTXRenderer(Renderer):
 
   def render_loop(self, idx, start, label, acc=None) -> List[str]: return [f"mov.u32 {idx}, {start};", f"{label}:"]
 
-  def render_bra(self, b1, pred=None) -> List[str]: return [f"@{pred} bra {b1};"] if pred else [f"bra {b1};"]
+  def render_bra(self, b1, pred=None, invert=False) -> List[str]:
+    return [f"@{'!' if invert else ''}{pred} bra {b1};"] if pred else [f"bra {b1};"]
 
   def render_load(self, loc, dest, dtype, gate=None, alt=None, ss="", offset=0) -> List[str]:
     assert dtype != dtypes.bool
@@ -153,7 +154,8 @@ class PTXRenderer(Renderer):
     for u in uops:
       uop,dtype,src,args = u.op,u.dtype,u.src,u.arg
       if uop is UOps.IF:
-        kk(*self.render_bra(f"IF_{r[src[0]][1:]}_{uops.index(u)}", _cast(r[src[0]], dtypes.bool, src[0].dtype, u=u, pred=True)))
+        pred_reg = _cast(r[src[0]], dtypes.bool, src[0].dtype, u=u, pred=True)
+        kk(*self.render_bra(f"IF_{r[src[0]][1:]}_{uops.index(u)}", pred_reg, invert=True))
       elif uop is UOps.BARRIER and self.barrier: kk(self.barrier)
       elif uop is UOps.ENDRANGE:
         kk(self.code_for_op[BinaryOps.ADD](r[src[0]], r[src[0]], "1", dtypes.int, self.types[dtypes.int]),