diff --git a/kdesrc-build b/kdesrc-build
index 8ffc1f3..539d23a 100755
--- a/kdesrc-build
+++ b/kdesrc-build
@@ -3766,7 +3766,7 @@ EOF
         # Step 2: Run the tests.
         my $numTests = -1;
         my $countCallback = sub {
-            if (/([0-9]+) tests failed out of/) {
+            if ($_ && /([0-9]+) tests failed out of/) {
                 $numTests = $1;
             }
         };