diff --git a/compiler/semantic.py b/compiler/semantic.py
index db0ccbe..4135cc4 100644
--- a/compiler/semantic.py
+++ b/compiler/semantic.py
@@ -229,8 +229,8 @@ class Context:
 
             # Check for unused variables
             if len(variable.reads) == 0 and variable.definition is not None:
-                raise SemanticAnalysisError(variable.definition.location(),
-                                            message=f"Variable '{variable.name}' is unused")
+                CompilationWarning(variable.definition.location(),
+                                   message=f"Variable '{variable.name}' is unused").raise_warning()
 
         for context in self.child_contexts.values():
             context.check()