diff --git a/src/conn_http.cpp b/src/conn_http.cpp
index b2e857ce..0c1d5066 100644
--- a/src/conn_http.cpp
+++ b/src/conn_http.cpp
@@ -247,6 +247,8 @@ namespace Connector_HTTP{
           connconn[uid]->conn->Received().get().clear();
           if (connconn[uid]->conn->Received().size()){
             connconn[uid]->conn->Received().get().insert(0, tmp);
+          }else{
+            connconn[uid]->conn->Received().append(tmp);
           }
           continue;
         }
@@ -345,6 +347,8 @@ namespace Connector_HTTP{
           conn->Received().get().clear();
           if (conn->Received().size()){
             conn->Received().get().insert(0, tmp);
+          }else{
+            conn->Received().append(tmp);
           }
           continue;
         }
diff --git a/src/conn_http_dynamic.cpp b/src/conn_http_dynamic.cpp
index a996213b..178e5950 100644
--- a/src/conn_http_dynamic.cpp
+++ b/src/conn_http_dynamic.cpp
@@ -186,6 +186,8 @@ namespace Connector_HTTP{
           conn.Received().get().clear();
           if (conn.Received().size()){
             conn.Received().get().insert(0, tmp);
+          }else{
+            conn.Received().append(tmp);
           }
           continue;
         }
diff --git a/src/conn_http_progressive.cpp b/src/conn_http_progressive.cpp
index 82a62e26..d90477c9 100644
--- a/src/conn_http_progressive.cpp
+++ b/src/conn_http_progressive.cpp
@@ -48,6 +48,8 @@ namespace Connector_HTTP{
             conn.Received().get().clear();
             if (conn.Received().size()){
               conn.Received().get().insert(0, tmp);
+            }else{
+              conn.Received().append(tmp);
             }
             continue;
           }
diff --git a/src/controller.cpp b/src/controller.cpp
index a968e381..c7d87cba 100644
--- a/src/controller.cpp
+++ b/src/controller.cpp
@@ -502,10 +502,11 @@ int main(int argc, char ** argv){
             it->C.Received().get().clear();
             if (it->C.Received().size()){
               it->C.Received().get().insert(0, tmp);
+            }else{
+              it->C.Received().append(tmp);
             }
             continue;
           }
-          
           if (it->H.Read(it->C.Received().get())){
             Response.null(); //make sure no data leaks from previous requests
             if (it->clientMode){