diff --git a/mozilla/xpcom/base/nsStackFrameUnix.cpp b/mozilla/xpcom/base/nsStackFrameUnix.cpp
index 7f0921d24f3..268d9d79bfb 100644
--- a/mozilla/xpcom/base/nsStackFrameUnix.cpp
+++ b/mozilla/xpcom/base/nsStackFrameUnix.cpp
@@ -78,7 +78,7 @@ void DemangleSymbol(const char * aSymbol,
 #endif // MOZ_DEMANGLE_SYMBOLS
 }
 
-#elif
+#else
 void DemangleSymbol(const char * aSymbol, 
                     char * aBuffer,
                     int aBufLen)