diff --git a/Cura/gui/validators.py b/Cura/gui/validators.py
index f29e8d1eb9..e37ea946f5 100644
--- a/Cura/gui/validators.py
+++ b/Cura/gui/validators.py
@@ -26,7 +26,7 @@ class validFloat(object):
 			if self.maxValue != None and f > self.maxValue:
 				return ERROR, 'This setting should not be above ' + str(self.maxValue)
 			return SUCCESS, ''
-		except (ValueError, SyntaxError):
+		except (ValueError, SyntaxError, TypeError):
 			return ERROR, '"' + str(self.setting.GetValue()) + '" is not a valid number or expression'
 
 class validInt(object):
@@ -44,7 +44,7 @@ class validInt(object):
 			if self.maxValue != None and f > self.maxValue:
 				return ERROR, 'This setting should not be above ' + str(self.maxValue)
 			return SUCCESS, ''
-		except (ValueError, SyntaxError):
+		except (ValueError, SyntaxError, TypeError):
 			return ERROR, '"' + str(self.setting.GetValue()) + '" is not a valid whole number or expression'
 
 class warningAbove(object):
@@ -64,7 +64,7 @@ class warningAbove(object):
 				if f >= self.minValueForWarning:
 					return WARNING, self.warningMessage
 			return SUCCESS, ''
-		except (ValueError, SyntaxError):
+		except (ValueError, SyntaxError, TypeError):
 			#We already have an error by the int/float validator in this case.
 			return SUCCESS, ''
 
diff --git a/Cura/util/profile.py b/Cura/util/profile.py
index 122b7e9024..4c4165345a 100644
--- a/Cura/util/profile.py
+++ b/Cura/util/profile.py
@@ -267,7 +267,7 @@ def getProfileSetting(name):
 def getProfileSettingFloat(name):
 	try:
 		return float(eval(getProfileSetting(name), {}, {}))
-	except (ValueError, SyntaxError):
+	except (ValueError, SyntaxError, TypeError):
 		return 0.0
 
 def putProfileSetting(name, value):
@@ -297,7 +297,7 @@ def getPreferencePath():
 def getPreferenceFloat(name):
 	try:
 		return float(eval(getPreference(name), {}, {}))
-	except (ValueError, SyntaxError):
+	except (ValueError, SyntaxError, TypeError):
 		return 0.0
 
 def getPreference(name):