diff --git a/app/src/main/java/com/sopt/peekabookaos/presentation/recommend/RecommendViewModel.kt b/app/src/main/java/com/sopt/peekabookaos/presentation/recommend/RecommendViewModel.kt
index 26bac7e8..ea0abb19 100644
--- a/app/src/main/java/com/sopt/peekabookaos/presentation/recommend/RecommendViewModel.kt
+++ b/app/src/main/java/com/sopt/peekabookaos/presentation/recommend/RecommendViewModel.kt
@@ -36,11 +36,11 @@ class RecommendViewModel @Inject constructor(
     private val _isEditMode = MediatorLiveData<Boolean>().apply {
         value = false
 
-        addSource(_recommendedBook) {
-            value = checkEditMode(it, requireNotNull(_recommendingBook.value))
+        addSource(_recommendedBook) { recommendedBooks ->
+            value = checkEditMode(recommendedBooks, _recommendingBook.value ?: emptyList())
         }
-        addSource(_recommendingBook) {
-            value = checkEditMode(requireNotNull(_recommendedBook.value), it)
+        addSource(_recommendingBook) { recommendingBooks ->
+            value = checkEditMode(_recommendedBook.value ?: emptyList(), recommendingBooks)
         }
     }
     val isEditMode: LiveData<Boolean> = _isEditMode
@@ -57,14 +57,14 @@ class RecommendViewModel @Inject constructor(
     }
 
     fun toggleEditMode() {
-        _isEditMode.value = requireNotNull(_isEditMode.value).not()
+        _isEditMode.value = _isEditMode.value?.not() ?: false
         val updatedRecommendedBooks =
-            _recommendedBook.value?.map { it.copy(isEditMode = requireNotNull(_isEditMode.value)) }
-        _recommendedBook.value = requireNotNull(updatedRecommendedBooks)
+            _recommendedBook.value?.map { it.copy(isEditMode = _isEditMode.value ?: false) }
+        _recommendedBook.value = updatedRecommendedBooks ?: emptyList()
 
         val updatedRecommendingBooks =
-            _recommendingBook.value?.map { it.copy(isEditMode = requireNotNull(_isEditMode.value)) }
-        _recommendingBook.value = requireNotNull(updatedRecommendingBooks)
+            _recommendingBook.value?.map { it.copy(isEditMode = _isEditMode.value ?: false) }
+        _recommendingBook.value = updatedRecommendingBooks ?: emptyList()
     }
 
     fun deleteRecommend() {