diff --git a/wled00/cfg.cpp b/wled00/cfg.cpp
index 08a5f04f9a..6e26b22200 100644
--- a/wled00/cfg.cpp
+++ b/wled00/cfg.cpp
@@ -520,11 +520,11 @@ bool deserializeConfig(JsonObject doc, bool fromFS) {
   CJSON(gammaCorrectVal, light["gc"]["val"]); // default 2.2
   float light_gc_bri = light["gc"]["bri"] | 1.0f; // default to 1.0 (false)
   float light_gc_col = light["gc"]["col"] | gammaCorrectVal; // default to gammaCorrectVal (true)
-  if (light_gc_bri > 1.0f) gammaCorrectBri = true;
-  else                     gammaCorrectBri = false;
-  if (light_gc_col > 1.0f) gammaCorrectCol = true;
-  else                     gammaCorrectCol = false;
-  if (gammaCorrectVal <= 1.0f || gammaCorrectVal > 3) {
+  if (light_gc_bri != 1.0f) gammaCorrectBri = true;
+  else                      gammaCorrectBri = false;
+  if (light_gc_col != 1.0f) gammaCorrectCol = true;
+  else                      gammaCorrectCol = false;
+  if (gammaCorrectVal < 0.1f || gammaCorrectVal > 3) {
     gammaCorrectVal = 1.0f; // no gamma correction
     gammaCorrectBri = false;
     gammaCorrectCol = false;
diff --git a/wled00/data/settings_leds.htm b/wled00/data/settings_leds.htm
index da2867957b..469617f148 100644
--- a/wled00/data/settings_leds.htm
+++ b/wled00/data/settings_leds.htm
@@ -958,7 +958,7 @@ <h3>Defaults</h3>
 		Apply preset <input name="BP" type="number" class="m" min="0" max="250" required> at boot (0 uses values from above)<br><br>
 		Use Gamma correction for color: <input type="checkbox" name="GC"> (strongly recommended)<br>
 		Use Gamma correction for brightness: <input type="checkbox" name="GB"> (not recommended)<br>
-		Use Gamma value: <input name="GV" type="number" class="m" placeholder="2.8" min="1" max="3" step="0.1" required><br><br>
+		Use Gamma value: <input name="GV" type="number" class="m" placeholder="2.2" min="0.1" max="3" step="0.1" required><br><br>
 		Brightness factor: <input name="BF" type="number" class="m" min="1" max="255" required> %
 		<h3>Transitions</h3>
 		Default transition time: <input name="TD" type="number" class="xl" min="0" max="65500"> ms<br>
diff --git a/wled00/set.cpp b/wled00/set.cpp
index 583fdf1bc5..ab3060d06d 100644
--- a/wled00/set.cpp
+++ b/wled00/set.cpp
@@ -378,7 +378,7 @@ void handleSettingsSet(AsyncWebServerRequest *request, byte subPage)
     gammaCorrectBri = request->hasArg(F("GB"));
     gammaCorrectCol = request->hasArg(F("GC"));
     gammaCorrectVal = request->arg(F("GV")).toFloat();
-    if (gammaCorrectVal <= 1.0f || gammaCorrectVal > 3) {
+    if (gammaCorrectVal < 0.1f || gammaCorrectVal > 3) {
       gammaCorrectVal = 1.0f; // no gamma correction
       gammaCorrectBri = false;
       gammaCorrectCol = false;