diff --git a/src/tracking_state.jl b/src/tracking_state.jl
index 7b33d63..0115f65 100644
--- a/src/tracking_state.jl
+++ b/src/tracking_state.jl
@@ -87,6 +87,33 @@ struct TrackingState{
     code::COR
 end
 
+function TrackingState(
+    track_state::TrackingState;
+    post_corr_filter,
+)
+    TrackingState(
+        track_state.prn,
+        track_state.system,
+        post_corr_filter,
+        track_state.init_carrier_doppler,
+        track_state.init_code_doppler,
+        track_state.carrier_doppler,
+        track_state.code_doppler,
+        track_state.carrier_phase,
+        track_state.code_phase,
+        track_state.correlator,
+        track_state.carrier_loop_filter,
+        track_state.code_loop_filter,
+        track_state.sc_bit_detector,
+        track_state.integrated_samples,
+        track_state.prompt_accumulator,
+        track_state.cn0_estimator,
+        track_state.downconverted_signal,
+        track_state.carrier,
+        track_state.code
+    )
+end
+
 """
 $(SIGNATURES)
 
diff --git a/test/cuda/tracking_state.jl b/test/cuda/tracking_state.jl
index 417d9b7..28519a3 100644
--- a/test/cuda/tracking_state.jl
+++ b/test/cuda/tracking_state.jl
@@ -55,4 +55,6 @@
     state = TrackingState(1, gpsl1, carrier_doppler, code_phase, num_samples = num_samples, num_ants = NumAnts(2))
     @test @inferred(Tracking.get_correlator(state)) == EarlyPromptLateCorrelator(NumAnts(2))
 
+    changed_state = @inferred(TrackingState(state, post_corr_filter = Tracking.DefaultPostCorrFilter()))
+    @test get_post_corr_filter(changed_state) == Tracking.DefaultPostCorrFilter()
 end
diff --git a/test/tracking_state.jl b/test/tracking_state.jl
index 8a3c78a..a933250 100644
--- a/test/tracking_state.jl
+++ b/test/tracking_state.jl
@@ -67,4 +67,7 @@
     @test @inferred(Tracking.get_code_loop_filter(state)) == SecondOrderBilinearLF()
     @test @inferred(Tracking.get_prompt_accumulator(state)) == 0.0
     @test @inferred(Tracking.get_integrated_samples(state)) == 0
+
+    changed_state = @inferred(TrackingState(state, post_corr_filter = Tracking.DefaultPostCorrFilter()))
+    @test get_post_corr_filter(changed_state) == Tracking.DefaultPostCorrFilter()
 end