diff --git a/test/coverage_diff.py b/test/coverage_diff.py
index 696db1a0..538a84c6 100755
--- a/test/coverage_diff.py
+++ b/test/coverage_diff.py
@@ -29,6 +29,7 @@ def main():
     new_zero_coverage = extract_zero_coverage(new_lcov_file)
 
     ### diff the two dictionaries
+    print "[+] New coverage:"
     for f in old_zero_coverage:
         printed_file = 0
         if f in new_zero_coverage:
@@ -40,6 +41,18 @@ def main():
                             printed_file = 1
                         print "[+] new '" + ctype + "' coverage: " + val
 
+    print "\n[-] Missing coverage from the previous run:"
+    for f in new_zero_coverage:
+        printed_file = 0
+        if f in old_zero_coverage:
+            for ctype in new_zero_coverage[f]:
+                for val in sorted(new_zero_coverage[f][ctype]):
+                    if val not in old_zero_coverage[f][ctype]:
+                        if not printed_file:
+                            print "[-] Coverage: " + f
+                            printed_file = 1
+                        print "[-] missing '" + ctype + "' coverage: " + val
+
 def extract_zero_coverage(lcov_file):
 
     zero_coverage = {}