diff --git a/src/shellmatta.c b/src/shellmatta.c
index 7ad8ea6..d13d7d4 100644
--- a/src/shellmatta.c
+++ b/src/shellmatta.c
@@ -401,6 +401,26 @@ shellmatta_retCode_t shellmatta_processData(shellmatta_handle_t     handle,
                 ret = cmdRet;
             }
         }
+        /** -# call continuous function even if there is no data */
+        else if((0u != size) && (NULL != inst->continuousCmd))
+        {
+            /** -# just call the function until it is not busy anymore */
+            cmdRet = inst->continuousCmd->cmdFct(handle, inst->buffer, size);
+
+            if(SHELLMATTA_CONTINUE == cmdRet)
+            {
+                ret = cmdRet;
+            }
+            else if(SHELLMATTA_BUSY == cmdRet)
+            {
+                inst->busyCmd       = inst->continuousCmd;
+                inst->continuousCmd = NULL;
+            }
+            else
+            {
+                utils_terminateInput(inst);
+            }
+        }
 
         /** -# process byte wise */
         for (; (inst->byteCounter < size) && (NULL == inst->busyCmd); inst->byteCounter++)