diff --git a/processing/build/macosx/run.sh b/processing/build/macosx/run.sh
index 10c3e53fd..92fdd493a 100755
--- a/processing/build/macosx/run.sh
+++ b/processing/build/macosx/run.sh
@@ -1,2 +1,2 @@
 #!/bin/sh
-cd work && java -cp lib:lib/build:lib/pde.jar:lib/kjc.jar:lib/oro.jar PdeBase
+cd work && java -cp lib:lib/build:lib/pde.jar:lib/kjc.jar:lib/oro.jar:../comm.jar PdeBase