diff --git a/pcsx2-qt/AutoUpdaterDialog.cpp b/pcsx2-qt/AutoUpdaterDialog.cpp
index e0aafe7239..cdbcaefb88 100644
--- a/pcsx2-qt/AutoUpdaterDialog.cpp
+++ b/pcsx2-qt/AutoUpdaterDialog.cpp
@@ -57,7 +57,7 @@
 		#define UPDATE_PLATFORM_STR "Linux"
 	#endif
 
-	#if MULTI_ISA_SHARED_COMPILATION
+	#ifdef MULTI_ISA_SHARED_COMPILATION
 		// #undef UPDATE_ADDITIONAL_TAGS
 	#elif _M_SSE >= 0x501
 		#define UPDATE_ADDITIONAL_TAGS "AVX2"