diff --git a/src/main/fc/config.c b/src/main/fc/config.c
index cf72a214e8..6ce074f836 100644
--- a/src/main/fc/config.c
+++ b/src/main/fc/config.c
@@ -52,6 +52,8 @@
 #include "io/serial.h"
 #include "io/gps.h"
 
+#include "osd/osd.h"
+
 #include "pg/beeper.h"
 #include "pg/beeper_dev.h"
 #include "pg/rx.h"
@@ -463,6 +465,16 @@ static void validateAndFixConfig(void)
     }
 #endif
 
+#if defined(USE_OSD)
+    for (int i = 0; i < OSD_TIMER_COUNT; i++) {
+         const uint16_t t = osdConfig()->timers[i];
+         if (OSD_TIMER_SRC(t) >= OSD_TIMER_SRC_COUNT ||
+                 OSD_TIMER_PRECISION(t) >= OSD_TIMER_PREC_COUNT) {
+             osdConfigMutable()->timers[i] = osdTimerDefault[i];
+         }
+     }
+#endif
+
 #if defined(TARGET_VALIDATECONFIG)
     targetValidateConfiguration();
 #endif
diff --git a/src/main/osd/osd.c b/src/main/osd/osd.c
index b5143f700d..cfc4a7c4a1 100644
--- a/src/main/osd/osd.c
+++ b/src/main/osd/osd.c
@@ -198,6 +198,11 @@ static void osdDrawElements(timeUs_t currentTimeUs)
     osdDrawActiveElements(osdDisplayPort, currentTimeUs);
 }
 
+const uint16_t osdTimerDefault[OSD_TIMER_COUNT] = {
+        OSD_TIMER(OSD_TIMER_SRC_ON, OSD_TIMER_PREC_SECOND, 10),
+        OSD_TIMER(OSD_TIMER_SRC_TOTAL_ARMED, OSD_TIMER_PREC_SECOND, 10)
+};
+
 void pgResetFn_osdConfig(osdConfig_t *osdConfig)
 {
     // Position elements near centre of screen and disabled by default
@@ -238,8 +243,8 @@ void pgResetFn_osdConfig(osdConfig_t *osdConfig)
     osdWarnSetState(OSD_WARNING_RSSI, false);
     osdWarnSetState(OSD_WARNING_LINK_QUALITY, false);
 
-    osdConfig->timers[OSD_TIMER_1] = OSD_TIMER(OSD_TIMER_SRC_ON, OSD_TIMER_PREC_SECOND, 10);
-    osdConfig->timers[OSD_TIMER_2] = OSD_TIMER(OSD_TIMER_SRC_TOTAL_ARMED, OSD_TIMER_PREC_SECOND, 10);
+    osdConfig->timers[OSD_TIMER_1] = osdTimerDefault[OSD_TIMER_1];
+    osdConfig->timers[OSD_TIMER_2] = osdTimerDefault[OSD_TIMER_2];
 
     osdConfig->overlay_radio_mode = 2;
 
diff --git a/src/main/osd/osd.h b/src/main/osd/osd.h
index fe9607a6b1..9c0cce8a29 100644
--- a/src/main/osd/osd.h
+++ b/src/main/osd/osd.h
@@ -218,6 +218,8 @@ STATIC_ASSERT(OSD_WARNING_COUNT <= 32, osdwarnings_overflow);
 
 #define OSD_GPS_RESCUE_DISABLED_WARNING_DURATION_US 3000000 // 3 seconds
 
+extern const uint16_t osdTimerDefault[OSD_TIMER_COUNT];
+
 typedef struct osdConfig_s {
     uint16_t item_pos[OSD_ITEM_COUNT];