diff --git a/meshroom/nodes/aliceVision/LdrToHdrCalibration.py b/meshroom/nodes/aliceVision/LdrToHdrCalibration.py
index 62e31283cc..80bfb6cc57 100644
--- a/meshroom/nodes/aliceVision/LdrToHdrCalibration.py
+++ b/meshroom/nodes/aliceVision/LdrToHdrCalibration.py
@@ -11,7 +11,7 @@ def findMetadata(d, keys, defaultValue):
         k = key.lower()
         if v is not None:
             return v
-        for dk, dv in d.iteritems():
+        for dk, dv in d.items():
             dkm = dk.lower().replace(" ", "")
             if dkm == key.lower():
                 return dv
diff --git a/meshroom/nodes/aliceVision/LdrToHdrMerge.py b/meshroom/nodes/aliceVision/LdrToHdrMerge.py
index b58537bdf0..3304670ba0 100644
--- a/meshroom/nodes/aliceVision/LdrToHdrMerge.py
+++ b/meshroom/nodes/aliceVision/LdrToHdrMerge.py
@@ -11,7 +11,7 @@ def findMetadata(d, keys, defaultValue):
         k = key.lower()
         if v is not None:
             return v
-        for dk, dv in d.iteritems():
+        for dk, dv in d.items():
             dkm = dk.lower().replace(" ", "")
             if dkm == key.lower():
                 return dv
diff --git a/meshroom/nodes/aliceVision/LdrToHdrSampling.py b/meshroom/nodes/aliceVision/LdrToHdrSampling.py
index 4e9387e3dd..202390822e 100644
--- a/meshroom/nodes/aliceVision/LdrToHdrSampling.py
+++ b/meshroom/nodes/aliceVision/LdrToHdrSampling.py
@@ -12,7 +12,7 @@ def findMetadata(d, keys, defaultValue):
         k = key.lower()
         if v is not None:
             return v
-        for dk, dv in d.iteritems():
+        for dk, dv in d.items():
             dkm = dk.lower().replace(" ", "")
             if dkm == key.lower():
                 return dv