diff --git a/prism/src/parser/Makefile b/prism/src/parser/Makefile
index fc6feb10..07a2f36f 100644
--- a/prism/src/parser/Makefile
+++ b/prism/src/parser/Makefile
@@ -29,7 +29,7 @@ checks:
 	fi; 
 
 PrismParser.java: PrismParser.jj
-	javacc $<
+	javacc $< || echo "Warning: Did not recompile PrismParser.jj"
 
 $(PRISM_DIR_REL)/$(CLASSES_DIR)/$(THIS_DIR)/%.class: %.java
 	(cd ..; $(JAVAC) -sourcepath $(THIS_DIR)/$(PRISM_DIR_REL)/$(SRC_DIR) -classpath $(THIS_DIR)/$(PRISM_DIR_REL)/$(CLASSES_DIR) -d $(THIS_DIR)/$(PRISM_DIR_REL)/$(CLASSES_DIR) $(THIS_DIR)/$<)