diff --git a/Source/Core/InputCommon/Src/ControllerInterface/ExpressionParser.cpp b/Source/Core/InputCommon/Src/ControllerInterface/ExpressionParser.cpp
index 5b6495b781..0677a04abb 100644
--- a/Source/Core/InputCommon/Src/ControllerInterface/ExpressionParser.cpp
+++ b/Source/Core/InputCommon/Src/ControllerInterface/ExpressionParser.cpp
@@ -190,7 +190,7 @@ public:
 
 			if (tok.type == TOK_INVALID)
 			{
-				tokens.empty();
+				tokens.clear();
 				return EXPRESSION_PARSE_SYNTAX_ERROR;
 			}