diff --git a/subsys/bluetooth/controller/ll_sw/nordic/hal/nrf5/ticker.h b/subsys/bluetooth/controller/ll_sw/nordic/hal/nrf5/ticker.h
index 10d780a559cb50..1a5c1a3f8a797a 100644
--- a/subsys/bluetooth/controller/ll_sw/nordic/hal/nrf5/ticker.h
+++ b/subsys/bluetooth/controller/ll_sw/nordic/hal/nrf5/ticker.h
@@ -68,8 +68,9 @@
 	HAL_TICKER_TICKS_TO_US(HAL_TICKER_PSEC_PER_USEC)
 
 /* Macro defining the margin for positioning re-scheduled nodes */
+#define HAL_TICKER_RESCHEDULE_MARGIN_US 150U
 #define HAL_TICKER_RESCHEDULE_MARGIN \
-	HAL_TICKER_US_TO_TICKS(150)
+	HAL_TICKER_US_TO_TICKS(HAL_TICKER_RESCHEDULE_MARGIN_US)
 
 /* Remove ticks and return positive remainder value in microseconds */
 static inline void hal_ticker_remove_jitter(uint32_t *ticks,
diff --git a/subsys/bluetooth/controller/ticker/ticker.c b/subsys/bluetooth/controller/ticker/ticker.c
index 639cd0ed57dc1f..efeeff1bae7bdc 100644
--- a/subsys/bluetooth/controller/ticker/ticker.c
+++ b/subsys/bluetooth/controller/ticker/ticker.c
@@ -840,6 +840,7 @@ static uint8_t ticker_resolve_collision(struct ticker_node *nodes,
 
 		while (id_head != TICKER_NULL) {
 			struct ticker_node *ticker_next = &nodes[id_head];
+			uint32_t ticker_next_ticks_slot;
 
 			/* Accumulate ticks_to_expire for each node */
 			acc_ticks_to_expire += ticker_next->ticks_to_expire;
@@ -847,8 +848,17 @@ static uint8_t ticker_resolve_collision(struct ticker_node *nodes,
 				break;
 			}
 
+			if (TICKER_HAS_SLOT_WINDOW(ticker_next) &&
+			    (ticker_next->ticks_slot == 0U)) {
+				ticker_next_ticks_slot =
+					HAL_TICKER_RESCHEDULE_MARGIN;
+			} else {
+				ticker_next_ticks_slot =
+					ticker_next->ticks_slot;
+			}
+
 			/* We only care about nodes with slot reservation */
-			if (ticker_next->ticks_slot == 0U) {
+			if (ticker_next_ticks_slot == 0U) {
 				id_head = ticker_next->next;
 				continue;
 			}
@@ -977,7 +987,8 @@ static uint8_t ticker_resolve_collision(struct ticker_node *nodes,
 			/* Check if next node is within this reservation slot
 			 * and wins conflict resolution
 			 */
-			if (curr_has_ticks_slot_window ||
+			if ((curr_has_ticks_slot_window &&
+			     next_not_ticks_slot_window) ||
 			    (!lazy_next_periodic_skip &&
 			     (next_is_critical ||
 			      next_force ||
@@ -1295,11 +1306,19 @@ void ticker_worker(void *param)
 
 #if !defined(CONFIG_BT_TICKER_LOW_LAT) && \
 	!defined(CONFIG_BT_TICKER_SLOT_AGNOSTIC)
+		uint32_t ticker_ticks_slot;
+
+		if (TICKER_HAS_SLOT_WINDOW(ticker) &&
+		    (ticker->ticks_slot == 0U)) {
+			ticker_ticks_slot = HAL_TICKER_RESCHEDULE_MARGIN;
+		} else {
+			ticker_ticks_slot = ticker->ticks_slot;
+		}
+
 		/* Check if node has slot reservation and resolve any collision
 		 * with other ticker nodes
 		 */
-		if (((ticker->ticks_slot != 0U) ||
-		      TICKER_HAS_SLOT_WINDOW(ticker)) &&
+		if ((ticker_ticks_slot != 0U) &&
 		    (slot_reserved ||
 		     (instance->ticks_slot_previous > ticks_expired) ||
 		     ticker_resolve_collision(node, ticker))) {
@@ -1431,7 +1450,7 @@ void ticker_worker(void *param)
 
 #if !defined(CONFIG_BT_TICKER_LOW_LAT) && \
 	!defined(CONFIG_BT_TICKER_SLOT_AGNOSTIC)
-				if (ticker->ticks_slot != 0U) {
+				if (ticker_ticks_slot != 0U) {
 					/* Any further nodes will be skipped */
 					slot_reserved = 1U;
 				}
@@ -2061,13 +2080,21 @@ static inline void ticker_job_worker_bh(struct ticker_instance *instance,
 			instance->ticks_slot_previous = 0U;
 		}
 
+		uint32_t ticker_ticks_slot;
+
+		if (TICKER_HAS_SLOT_WINDOW(ticker) && !ticker->ticks_slot) {
+			ticker_ticks_slot = HAL_TICKER_RESCHEDULE_MARGIN;
+		} else {
+			ticker_ticks_slot = ticker->ticks_slot;
+		}
+
 		/* If a reschedule is set pending, we will need to keep
 		 * the slot_previous information
 		 */
-		if (ticker->ticks_slot && (state == 2U) && !skip_collision &&
+		if (ticker_ticks_slot && (state == 2U) && !skip_collision &&
 		    !TICKER_RESCHEDULE_PENDING(ticker)) {
 			instance->ticker_id_slot_previous = id_expired;
-			instance->ticks_slot_previous = ticker->ticks_slot;
+			instance->ticks_slot_previous = ticker_ticks_slot;
 		}
 #endif /* CONFIG_BT_TICKER_SLOT_AGNOSTIC */