diff --git a/CRT.h b/CRT.h
index eb3df1d7f..1b2b5742d 100644
--- a/CRT.h
+++ b/CRT.h
@@ -214,6 +214,10 @@ void CRT_disableDelay(void);
 
 void CRT_enableDelay(void);
 
+static inline void CRT_updateDelay(void) {
+   CRT_enableDelay(); // pushes new delay setting into halfdelay(3X)
+}
+
 void CRT_setColors(int colorScheme);
 
 #endif
diff --git a/DisplayOptionsPanel.c b/DisplayOptionsPanel.c
index 66793e164..8fa347294 100644
--- a/DisplayOptionsPanel.c
+++ b/DisplayOptionsPanel.c
@@ -74,6 +74,7 @@ static HandlerResult DisplayOptionsPanel_eventHandler(Panel* super, int ch) {
    if (result == HANDLED) {
       this->settings->changed = true;
       this->settings->lastUpdate++;
+      CRT_updateDelay();
       Header* header = this->scr->header;
       Header_calculateHeight(header);
       Header_reinit(header);