diff --git a/src/main/java/com/dreamypatisiel/devdevdev/domain/entity/TechArticleRecommend.java b/src/main/java/com/dreamypatisiel/devdevdev/domain/entity/TechArticleRecommend.java
index 31152a46..d9302eb2 100644
--- a/src/main/java/com/dreamypatisiel/devdevdev/domain/entity/TechArticleRecommend.java
+++ b/src/main/java/com/dreamypatisiel/devdevdev/domain/entity/TechArticleRecommend.java
@@ -70,4 +70,12 @@ public void registerRecommend() {
     public boolean isRecommended() {
         return this.status;
     }
+
+    public boolean isAnonymousMemberNotNull() {
+        return this.anonymousMember != null;
+    }
+    public boolean isMemberNotNull() {
+        return this.member != null;
+    }
+
 }
diff --git a/src/main/java/com/dreamypatisiel/devdevdev/web/dto/util/TechArticleResponseUtils.java b/src/main/java/com/dreamypatisiel/devdevdev/web/dto/util/TechArticleResponseUtils.java
index fdca4716..cd54ef51 100644
--- a/src/main/java/com/dreamypatisiel/devdevdev/web/dto/util/TechArticleResponseUtils.java
+++ b/src/main/java/com/dreamypatisiel/devdevdev/web/dto/util/TechArticleResponseUtils.java
@@ -18,7 +18,9 @@ public static boolean isBookmarkedByMember(TechArticle techArticle, Member membe
 
     public static boolean isRecommendedByMember(TechArticle techArticle, Member member) {
         Optional<TechArticleRecommend> recommends = techArticle.getRecommends().stream()
-                .filter(recommend -> recommend.getMember().isEqualsId(member.getId()))
+                .filter(recommend ->
+                        recommend.isMemberNotNull()
+                        && recommend.getMember().isEqualsId(member.getId()))
                 .findAny();
 
         return recommends.map(TechArticleRecommend::isRecommended).orElse(false);
@@ -30,7 +32,9 @@ public static boolean isRecommendedByAnonymousMember(TechArticle techArticle, An
         }
 
         Optional<TechArticleRecommend> recommends = techArticle.getRecommends().stream()
-                .filter(recommend -> recommend.getAnonymousMember().isEqualAnonymousMemberId(anonymousMember.getId()))
+                .filter(recommend ->
+                        recommend.isAnonymousMemberNotNull()
+                        && recommend.getAnonymousMember().isEqualAnonymousMemberId(anonymousMember.getId()))
                 .findAny();
 
         return recommends.map(TechArticleRecommend::isRecommended).orElse(false);