diff --git a/src/server/slavefuncs.c b/src/server/slavefuncs.c
--- a/src/server/slavefuncs.c
+++ b/src/server/slavefuncs.c
@@ -213,7 +213,7 @@ return 1; // Success
 /* Executors */
 
 /** Executor function for Blender operations */
-void exec_blender(char *input, char *output, int frame)
+int exec_blender(char *input, char *output, int frame)
 {
   fprintf(stderr,"Preparing to execute...\n");
   int ret;
@@ -240,12 +240,7 @@ void exec_blender(char *input, char *out
     }
   execio_close(testrem);
 
-  if(ret == 1){
-    fprintf(stderr,"Error starting Blender. Check your path and installation.\n");
-  }
-  else{
-    fprintf(stderr,"Execution of Blender was successful.\n");
-  }
+  return ret;
 }
 
 void xmlinit()