diff --git a/src/aliceVision/sfm/pipeline/sequential/ReconstructionEngine_sequentialSfM.cpp b/src/aliceVision/sfm/pipeline/sequential/ReconstructionEngine_sequentialSfM.cpp
index 920ac16839..c151c3c3d2 100644
--- a/src/aliceVision/sfm/pipeline/sequential/ReconstructionEngine_sequentialSfM.cpp
+++ b/src/aliceVision/sfm/pipeline/sequential/ReconstructionEngine_sequentialSfM.cpp
@@ -1143,7 +1143,7 @@ bool ReconstructionEngine_sequentialSfM::makeInitialPair3D(const Pair& currentPa
     {
       std::set<IndexT> newReconstructedViews = {static_cast<IndexT>(I), static_cast<IndexT>(J)};
       const bool isInitialPair = true;
-      const bool success = true;// bundleAdjustment(newReconstructedViews, isInitialPair);
+      const bool success = bundleAdjustment(newReconstructedViews, isInitialPair);
 
       if(!success)
       {
diff --git a/src/aliceVision/sfmDataIO/viewIO.cpp b/src/aliceVision/sfmDataIO/viewIO.cpp
index 4a7e4b190a..cdb367cf7b 100644
--- a/src/aliceVision/sfmDataIO/viewIO.cpp
+++ b/src/aliceVision/sfmDataIO/viewIO.cpp
@@ -140,8 +140,8 @@ std::shared_ptr<camera::IntrinsicBase> getViewIntrinsic(
 
   camera::EINTRINSIC intrinsicType = defaultIntrinsicType;
 
-  double ppx = view.getWidth() / 2.0;
-  double ppy = view.getHeight() / 2.0;
+  double ppx = defaultPPx;
+  double ppy = defaultPPy;
 
   bool isResized = false;
 
@@ -165,11 +165,6 @@ std::shared_ptr<camera::IntrinsicBase> getViewIntrinsic(
       isResized = true;
     }
   }
-  else if(defaultPPx > 0.0 && defaultPPy > 0.0) // use default principal point
-  {
-    ppx = defaultPPx;
-    ppy = defaultPPy;
-  }
 
 
   // handle case where focal length (mm) is unset or false
diff --git a/src/software/pipeline/main_cameraInit.cpp b/src/software/pipeline/main_cameraInit.cpp
index 656aa8345f..7495e5a8fd 100644
--- a/src/software/pipeline/main_cameraInit.cpp
+++ b/src/software/pipeline/main_cameraInit.cpp
@@ -350,8 +350,8 @@ int aliceVision_main(int argc, char **argv)
   }
 
   // read K matrix if valid
-  double defaultPPx = -1.0;
-  double defaultPPy = -1.0;
+  double defaultPPx = 0.0;
+  double defaultPPy = 0.0;
 
   if(!defaultIntrinsicKMatrix.empty() && !checkIntrinsicStringValidity(defaultIntrinsicKMatrix, defaultFocalLengthPixel, defaultPPx, defaultPPy))
   {