diff --git a/liblinphone/tools/abstractapi.py b/liblinphone/tools/abstractapi.py
index 52aa10cca1..8b5787f2be 100644
--- a/liblinphone/tools/abstractapi.py
+++ b/liblinphone/tools/abstractapi.py
@@ -371,9 +371,10 @@ class Method(DocumentableObject):
 		arg.parent = self
 
 		if arg.maybenil and arg.notnil:
-			raise Exception("Method " + self.name.to_c() + " argument " + arg.name.to_c() + " pointer can't be both maybenil and notnil !")
+			logger.warning("Method " + self.name.to_c() + " argument " + arg.name.to_c() + " pointer can't be both maybenil and notnil !")
 		elif arg.type.isref and not (arg.maybenil or arg.notnil):
-			raise Exception("Method " + self.name.to_c() + " argument " + arg.name.to_c() + " pointer isn't maybenil nor notnil !")
+			logger.warning("Method " + self.name.to_c() + " argument " + arg.name.to_c() + " pointer isn't maybenil nor notnil !")
+			arg.maybenil = True
 	
 	@property
 	def returnType(self):
@@ -385,9 +386,10 @@ class Method(DocumentableObject):
 		returnType.parent = self
 
 		if self.maybenil and self.notnil:
-			raise Exception("Method " + self.name.to_c() + " returned pointer can't be both maybenil and notnil !")
+			logger.warning("Method " + self.name.to_c() + " returned pointer can't be both maybenil and notnil !")
 		elif returnType.isref and not (self.maybenil or self.notnil):
-			raise Exception("Method " + self.name.to_c() + " returned pointer isn't maybenil nor notnil !")
+			logger.warning("Method " + self.name.to_c() + " returned pointer isn't maybenil nor notnil !")
+			self.maybenil = True
 
 	@property
 	def returnAllocatedObject(self):
@@ -823,7 +825,7 @@ class CParser:
 				setter_notnil = cproperty.setter.arguments[1].notnil
 				setter_argname = cproperty.setter.arguments[1].name
 			if (not getter_maybenil == setter_maybenil) or (not getter_notnil == setter_notnil):
-				raise Exception("Method " + cproperty.getter.name + " returned value and " + cproperty.setter.name + "(" + setter_argname + ") don't have the same maybenil/notnil tags !")
+				logger.warning("Method " + cproperty.getter.name + " returned value and " + cproperty.setter.name + "(" + setter_argname + ") don't have the same maybenil/notnil tags !")
 		return aproperty