diff --git a/src/server/slavefuncs.c b/src/server/slavefuncs.c
--- a/src/server/slavefuncs.c
+++ b/src/server/slavefuncs.c
@@ -238,6 +238,9 @@ int curlpost(char *filename, char *url, 
     /* cleanup the formpost junk */
     curl_formfree(formpost);
     curl_slist_free_all (headerlist);
+    free(sjobnum);
+    free(sframenum);
+    free(sslavekey);
   }
   return res;
 }
@@ -323,7 +326,7 @@ int exec_blender(char *input, char *outp
        fprintf(stderr, "read \"%s\"\n", buf);
     }
   execio_close(testrem);
-
+  free(frame_str);
   return ret;
 }
 
@@ -678,9 +681,7 @@ struct _web_memorystruct _web_getrequest
 
   /* we're done with libcurl, so clean it up */
   curl_global_cleanup();
-
   return chunk; // 0 is OK, 1 is 404 or other error
-
 }
 
 void _web_finishframe(int slavekey, char *slavepass, int jobnum, int framenum){
@@ -829,13 +830,13 @@ int slaveBenchmark(char *datadir, int *b
   else
     remove(output);
 
-  free(frame_str);
-  free(input);
-  free(output);
-
   *benchmarkTime = abs(difftime(startTime,endTime));
   float tmp = *benchmarkTime;
   tmp = (1/tmp) * 50000;
   *renderPower = (int)tmp;
+  free(realOutput);
+  free(frame_str);
+  free(input);
+  free(output);
   return ret;
 }