diff --git a/src/yuzu/CMakeLists.txt b/src/yuzu/CMakeLists.txt
index ec969a9a74..37394be377 100644
--- a/src/yuzu/CMakeLists.txt
+++ b/src/yuzu/CMakeLists.txt
@@ -162,6 +162,9 @@ target_compile_definitions(yuzu PRIVATE
 
     # Disable implicit type narrowing in signal/slot connect() calls.
     -DQT_NO_NARROWING_CONVERSIONS_IN_CONNECT
+
+    # Disable unsafe overloads of QProcess' start() function.
+    -DQT_NO_PROCESS_COMBINED_ARGUMENT_START
 )
 
 if (YUZU_ENABLE_COMPATIBILITY_REPORTING)