diff --git a/UI/obs-app.cpp b/UI/obs-app.cpp
index afe2e2e0a..09f49175a 100644
--- a/UI/obs-app.cpp
+++ b/UI/obs-app.cpp
@@ -777,6 +777,18 @@ bool OBSApp::InitGlobalConfig()
 	}
 #undef PRE_24_1_DEFS
 
+#define PRE_26_2_DEFS "Pre26.2Defaults"
+	if (!config_has_user_value(globalConfig, "General", PRE_26_2_DEFS)) {
+		bool useOldDefaults = lastVersion &&
+				      lastVersion <
+					      MAKE_SEMANTIC_VERSION(26, 2, 0);
+
+		config_set_bool(globalConfig, "General", PRE_26_2_DEFS,
+				useOldDefaults);
+		changed = true;
+	}
+#undef PRE_26_2_DEFS
+
 	if (config_has_user_value(globalConfig, "BasicWindow",
 				  "MultiviewLayout")) {
 		const char *layout = config_get_string(
diff --git a/UI/window-basic-main.cpp b/UI/window-basic-main.cpp
index 2f25a33ed..6e743312a 100644
--- a/UI/window-basic-main.cpp
+++ b/UI/window-basic-main.cpp
@@ -1218,13 +1218,19 @@ bool OBSBasic::InitBasicConfigDefaults()
 	uint32_t cx = primaryScreen->size().width();
 	uint32_t cy = primaryScreen->size().height();
 
+	bool oldScaleBehavior = config_get_bool(App()->GlobalConfig(),
+						"General", "Pre26.2Defaults");
+
+	/* after version 26.2, apply scaling to cx/cy */
+	if (!oldScaleBehavior) {
 #ifdef SUPPORTS_FRACTIONAL_SCALING
-	cx *= devicePixelRatioF();
-	cy *= devicePixelRatioF();
+		cx *= devicePixelRatioF();
+		cy *= devicePixelRatioF();
 #elif
-	cx *= devicePixelRatio();
-	cy *= devicePixelRatio();
+		cx *= devicePixelRatio();
+		cy *= devicePixelRatio();
 #endif
+	}
 
 	bool oldResolutionDefaults = config_get_bool(
 		App()->GlobalConfig(), "General", "Pre19Defaults");