diff --git a/bauh/api/abstract/view.py b/bauh/api/abstract/view.py
index dbd1e6ac..db4070ad 100644
--- a/bauh/api/abstract/view.py
+++ b/bauh/api/abstract/view.py
@@ -140,7 +140,8 @@ class MultipleSelectComponent(InputViewComponent):
 
     def __init__(self, label: Optional[str], options: List[InputOption], default_options: Set[InputOption] = None,
                  max_per_line: int = 1, tooltip: str = None, spaces: bool = True, max_width: int = -1,
-                 max_height: int = -1, id_: str = None, min_width: Optional[int] = None):
+                 max_height: int = -1, id_: str = None, min_width: Optional[int] = None,
+                 opt_max_width: Optional[int] = None):
         super(MultipleSelectComponent, self).__init__(id_=id_)
 
         if not options:
@@ -155,6 +156,7 @@ class MultipleSelectComponent(InputViewComponent):
         self.min_width = min_width
         self.max_width = max_width
         self.max_height = max_height
+        self.opt_max_width = opt_max_width
 
     def get_selected_values(self) -> list:
         selected = []
diff --git a/bauh/view/qt/components.py b/bauh/view/qt/components.py
index 09fd2232..7b9da50f 100644
--- a/bauh/view/qt/components.py
+++ b/bauh/view/qt/components.py
@@ -524,10 +524,10 @@ class MultipleSelectQt(QGroupBox):
         if model.min_width and model.min_width > 0:
             self.setMinimumWidth(int(model.min_width))
 
-        if model.max_width > 0:
+        if model.max_width and model.max_width > 0:
             self.setMaximumWidth(int(model.max_width))
 
-        if model.max_height > 0:
+        if model.max_height and model.max_height > 0:
             self.setMaximumHeight(int(model.max_height))
 
         if model.label:
@@ -547,9 +547,13 @@ class MultipleSelectQt(QGroupBox):
                 comp.setChecked(True)
 
             widget = QWidget()
+            widget.setSizePolicy(QSizePolicy.Minimum, QSizePolicy.Preferred)
             widget.setLayout(QHBoxLayout())
             widget.layout().addWidget(comp)
 
+            if model.opt_max_width and model.opt_max_width > 0:
+                widget.setMinimumWidth(int(model.opt_max_width))
+
             if op.tooltip:
                 help_icon = QLabel()
 
@@ -585,10 +589,10 @@ class FormMultipleSelectQt(QWidget):
         if model.min_width and model.min_width > 0:
             self.setMinimumWidth(int(model.min_width))
 
-        if model.max_width > 0:
+        if model.max_width and model.max_width > 0:
             self.setMaximumWidth(int(model.max_width))
 
-        if model.max_height > 0:
+        if model.max_height and model.max_height > 0:
             self.setMaximumHeight(int(model.max_height))
 
         self._layout = QGridLayout()
@@ -610,9 +614,13 @@ class FormMultipleSelectQt(QWidget):
                 comp.setChecked(True)
 
             widget = QWidget()
+            widget.setSizePolicy(QSizePolicy.Minimum, QSizePolicy.Preferred)
             widget.setLayout(QHBoxLayout())
             widget.layout().addWidget(comp)
 
+            if model.opt_max_width and model.opt_max_width > 0:
+                widget.setMinimumWidth(int(model.opt_max_width))
+
             if op.tooltip:
                 help_icon = QLabel()