diff --git a/cpr/multiperform.cpp b/cpr/multiperform.cpp
index 6c6ea0c80..a01d53185 100644
--- a/cpr/multiperform.cpp
+++ b/cpr/multiperform.cpp
@@ -353,6 +353,9 @@ const std::optional<std::vector<Response>> MultiPerform::intercept() {
     }
 
     if (current_interceptor_ != interceptors_.end()) {
+        if (*current_interceptor_ == nullptr) {
+            return std::nullopt;
+        }
         auto icpt = current_interceptor_;
         // Nested makeRequest() start at first_interceptor_, thus excluding previous interceptors.
         first_interceptor_ = current_interceptor_;
diff --git a/cpr/session.cpp b/cpr/session.cpp
index 6b8c149b4..c24a003a7 100644
--- a/cpr/session.cpp
+++ b/cpr/session.cpp
@@ -912,6 +912,9 @@ const std::optional<Response> Session::intercept() {
     }
 
     if (current_interceptor_ != interceptors_.end()) {
+        if (*current_interceptor_ == nullptr) {
+            return std::nullopt;
+        }
         auto icpt = current_interceptor_;
         // Nested makeRequest() start at first_interceptor_, thus excluding previous interceptors.
         first_interceptor_ = current_interceptor_;