diff --git a/meshroom/ui/qml/Charts/ChartViewLegend.qml b/meshroom/ui/qml/Charts/ChartViewLegend.qml
index d727c531..240208e4 100644
--- a/meshroom/ui/qml/Charts/ChartViewLegend.qml
+++ b/meshroom/ui/qml/Charts/ChartViewLegend.qml
@@ -29,12 +29,12 @@ Flow {
     // Update internal ListModel when ChartView's series change
     Connections {
         target: chartView
-        onSeriesAdded: seriesModel.append({"series": series})
-        onSeriesRemoved: {
-            for(var i = 0; i < seriesModel.count; ++i)
-            {
-                if(seriesModel.get(i)["series"] === series)
-                {
+        function onSeriesAdded(series) {
+            seriesModel.append({"series": series})
+        }
+        function onSeriesRemoved(series) {
+            for(var i = 0; i < seriesModel.count; ++i) {
+                if(seriesModel.get(i)["series"] === series) {
                     seriesModel.remove(i);
                     return;
                 }
diff --git a/meshroom/ui/qml/GraphEditor/AttributeItemDelegate.qml b/meshroom/ui/qml/GraphEditor/AttributeItemDelegate.qml
index e7152b65..ee674764 100644
--- a/meshroom/ui/qml/GraphEditor/AttributeItemDelegate.qml
+++ b/meshroom/ui/qml/GraphEditor/AttributeItemDelegate.qml
@@ -316,7 +316,9 @@ RowLayout {
                 onActivated: _reconstruction.setAttribute(attribute, currentText)
                 Connections {
                     target: attribute
-                    onValueChanged: combo.currentIndex = combo.find(attribute.value)
+                    function onValueChanged() {
+                        combo.currentIndex = combo.find(attribute.value)
+                    }
                 }
             }
         }
diff --git a/meshroom/ui/qml/GraphEditor/Node.qml b/meshroom/ui/qml/GraphEditor/Node.qml
index 2f942694..ff2c5220 100755
--- a/meshroom/ui/qml/GraphEditor/Node.qml
+++ b/meshroom/ui/qml/GraphEditor/Node.qml
@@ -67,7 +67,7 @@ Item {
     Connections {
         target: root.node
         // update x,y when node position changes
-        onPositionChanged: {
+        function onPositionChanged() {
             root.x = root.node.x
             root.y = root.node.y
         }
diff --git a/meshroom/ui/qml/ImageGallery/ImageGallery.qml b/meshroom/ui/qml/ImageGallery/ImageGallery.qml
index f81c997d..6129fd63 100644
--- a/meshroom/ui/qml/ImageGallery/ImageGallery.qml
+++ b/meshroom/ui/qml/ImageGallery/ImageGallery.qml
@@ -179,7 +179,7 @@ Panel {
             // Update grid current item when selected view changes
             Connections {
                 target: _reconstruction
-                onSelectedViewIdChanged: {
+                function onSelectedViewIdChanged() {
                     if (_reconstruction.selectedViewId > -1) {
                         grid.updateCurrentIndexFromSelectionViewId()
                     }
diff --git a/meshroom/ui/qml/ImageGallery/IntrinsicDisplayDelegate.qml b/meshroom/ui/qml/ImageGallery/IntrinsicDisplayDelegate.qml
index 1c6aead6..f8e249e7 100644
--- a/meshroom/ui/qml/ImageGallery/IntrinsicDisplayDelegate.qml
+++ b/meshroom/ui/qml/ImageGallery/IntrinsicDisplayDelegate.qml
@@ -141,7 +141,7 @@ RowLayout {
 
             Connections {
                 target: attribute
-                onValueChanged: combo.currentIndex = combo.find(attribute.value)
+                function onValueChanged() { combo.currentIndex = combo.find(attribute.value) }
             }
         }
     }
diff --git a/meshroom/ui/qml/Viewer/PanoramaViewer.qml b/meshroom/ui/qml/Viewer/PanoramaViewer.qml
index c0a849d4..6287c35f 100644
--- a/meshroom/ui/qml/Viewer/PanoramaViewer.qml
+++ b/meshroom/ui/qml/Viewer/PanoramaViewer.qml
@@ -317,7 +317,7 @@ AliceVision.PanoramaViewer {
         }
         Connections {
             target: root
-            onDownscaleReady: {
+            function onDownscaleReady() {
                 root.imagesLoaded = 0;
 
                 // Retrieve downscale value from C++
diff --git a/meshroom/ui/qml/Viewer/Viewer2D.qml b/meshroom/ui/qml/Viewer/Viewer2D.qml
index 5083f1bf..a1139985 100644
--- a/meshroom/ui/qml/Viewer/Viewer2D.qml
+++ b/meshroom/ui/qml/Viewer/Viewer2D.qml
@@ -285,7 +285,7 @@ FocusScope {
 
     Connections {
         target: _reconstruction
-        onSelectedViewIdChanged: {
+        function onSelectedViewIdChanged() {
             root.source = getImageFile();
             if (useExternal)
                 useExternal = false;
diff --git a/meshroom/ui/qml/WorkspaceView.qml b/meshroom/ui/qml/WorkspaceView.qml
index f1a813ef..cc28a712 100644
--- a/meshroom/ui/qml/WorkspaceView.qml
+++ b/meshroom/ui/qml/WorkspaceView.qml
@@ -39,13 +39,13 @@ Item {
 
     Connections {
         target: reconstruction
-        onGraphChanged: {
+        function onGraphChanged() {
             if(panel3dViewerLoader.active) {
                 panel3dViewerLoader.item.viewer3D.clear()
             }
         }
-        onSfmChanged: viewSfM()
-        onSfmReportChanged: viewSfM()
+        function onSfmChanged() { viewSfM() }
+        function onSfmReportChanged() { viewSfM() }
     }
     Component.onCompleted: viewSfM()
 
diff --git a/meshroom/ui/qml/main.qml b/meshroom/ui/qml/main.qml
index f92bbd90..80dc4c20 100644
--- a/meshroom/ui/qml/main.qml
+++ b/meshroom/ui/qml/main.qml
@@ -866,7 +866,7 @@ ApplicationWindow {
             dialog.detailedText = message.detailedText
         }
 
-        onGraphChanged: {
+        function onGraphChanged() {
             // open CompatibilityManager after file loading if any issue is detected
             if(compatibilityManager.issueCount)
                 compatibilityManager.open()
@@ -874,9 +874,9 @@ ApplicationWindow {
             graphEditor.fit()
         }
 
-        onInfo: createDialog(dialogsFactory.info, arguments[0])
-        onWarning: createDialog(dialogsFactory.warning, arguments[0])
-        onError: createDialog(dialogsFactory.error, arguments[0])
+        function onInfo() { createDialog(dialogsFactory.info, arguments[0]) }
+        function onWarning() { createDialog(dialogsFactory.warning, arguments[0]) }
+        function onError() { createDialog(dialogsFactory.error, arguments[0]) }
     }