diff --git a/prism/src/explicit/Makefile b/prism/src/explicit/Makefile
index 1ef53788..ab1fb5de 100644
--- a/prism/src/explicit/Makefile
+++ b/prism/src/explicit/Makefile
@@ -10,7 +10,7 @@
 THIS_DIR = explicit
 PRISM_DIR_REL = ../..
 
-JAVA_FILES_ALL = $(wildcard *.java)
+JAVA_FILES_ALL = $(wildcard *.java rewards/*.java modelviews/*.java graphviz/*.java)
 JAVA_FILES = $(subst package-info.java,,$(JAVA_FILES_ALL))
 CLASS_FILES = $(JAVA_FILES:%.java=$(PRISM_DIR_REL)/$(CLASSES_DIR)/$(THIS_DIR)/%.class)