diff -r d5ee0322818d -r 23b67296c63f src/cpu/minor/execute.cc
--- a/src/cpu/minor/execute.cc	Fri May 08 14:06:07 2015 +0100
+++ b/src/cpu/minor/execute.cc	Fri May 08 14:06:19 2015 +0100
@@ -770,7 +770,7 @@
 
             if (discarded) {
                 num_insts_discarded++;
-            } else {
+            } else if (!inst->isBubble()) {
                 num_insts_issued++;
 
                 if (num_insts_issued == issueLimit)