diff --git a/include/gnss_utils/tdcp.h b/include/gnss_utils/tdcp.h
index abcbc78d2bfd5d2c47eeed299f9d155d9c497e69..424e639257bce86c0ab40e002b6308afb97e0129 100644
--- a/include/gnss_utils/tdcp.h
+++ b/include/gnss_utils/tdcp.h
@@ -16,6 +16,7 @@ struct TdcpBatchParams
   bool   relinearize_jacobian;
   int    max_iterations;
   int    residual_opt; // 0: Normalized RMS of residual vector. 1: Max residual in Mahalanobis squared distance
+  bool   sagnac_correction;
 };
 
 struct TdcpOutput
diff --git a/src/tdcp.cpp b/src/tdcp.cpp
index e6503da3ce287c552506e01bf320cff0f959d15e..dcf37eee70a28a7a37bad753770006508730b900 100644
--- a/src/tdcp.cpp
+++ b/src/tdcp.cpp
@@ -245,6 +245,14 @@ TdcpOutput Tdcp(SnapshotPtr               snapshot_r,
                 drho_m(row) = range_k.L2 - range_r.L2;
         }
 
+        // sagnac corrections
+        if (tdcp_params.sagnac_correction)
+        {
+            double sagnac_corr_r = OMGE*(s_r.col(row)(0)*x_r(1)-s_r.col(row)(1)*x_r(0))/CLIGHT;
+            double sagnac_corr_k = OMGE*(s_k.col(row)(0)*(x_r(1)+d_0(1))-s_k.col(row)(1)*(x_r(0)+d_0(0)))/CLIGHT;
+            drho_m(row) += -sagnac_corr_k + sagnac_corr_r;
+        }
+
         #if GNSS_UTILS_TDCP_DEBUG == 1
              std::cout << "\tsat " << sat_number;
              std::cout << std::setprecision(10)