diff --git a/CHANGELOG.md b/CHANGELOG.md
index e5d9d16b2..0fd529359 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -30,6 +30,7 @@ Bugfixes:
 * Don't print display type twice (Display)
 * Detect BSSID instead of Wifi MAC address to align with other platforms (Wifi, macOS)
 * Remove support of used GPU memory detection, which is not reliable and only supported with `--gpu-force-vulkan`. (GPU)
+* Fix flag `--brightness-ddcci-sleep` (Brightness, Linux)
 
 Logos:
 * Add Black Mesa
diff --git a/src/modules/brightness/brightness.c b/src/modules/brightness/brightness.c
index 4bcabec82..a97c5676f 100644
--- a/src/modules/brightness/brightness.c
+++ b/src/modules/brightness/brightness.c
@@ -91,7 +91,7 @@ bool ffParseBrightnessCommandOptions(FFBrightnessOptions* options, const char* k
     if (ffOptionParseModuleArgs(key, subKey, value, &options->moduleArgs))
         return true;
 
-    if (ffStrEqualsIgnCase(key, "ddcci-sleep"))
+    if (ffStrEqualsIgnCase(subKey, "ddcci-sleep"))
     {
         options->ddcciSleep = ffOptionParseUInt32(key, value);
         return true;