diff --git a/Source/Engine/Engine/CommandLine.cpp b/Source/Engine/Engine/CommandLine.cpp
index 232fa91e4..f8823d961 100644
--- a/Source/Engine/Engine/CommandLine.cpp
+++ b/Source/Engine/Engine/CommandLine.cpp
@@ -77,6 +77,8 @@ bool CommandLine::Parse(const Char* cmdLine)
     Char* argStart;
     Char* argEnd;
     int32 len;
+    (void)argStart;
+    (void)argEnd;
 
 #define PARSE_BOOL_SWITCH(text, field) \
 		pos = (Char*)StringUtils::FindIgnoreCase(buffer.Get(), TEXT(text)); \