diff --git a/src/plugins/e-acsl/Makefile.in b/src/plugins/e-acsl/Makefile.in
index fd737c8e32f796ab2639153fae21501126ae0ee3..b878e8d36c0b3f8b514938cf797e27b5e8ce0994 100644
--- a/src/plugins/e-acsl/Makefile.in
+++ b/src/plugins/e-acsl/Makefile.in
@@ -112,12 +112,8 @@ $(PLUGIN_DIR)/local_config.ml: $(PLUGIN_DIR)/Makefile.in VERSION
 
 ifeq (@MAY_RUN_TESTS@,yes)
 
-$(PLUGIN_DIR)/tests/print.cmxs: OFLAGS=-I $(FRAMAC_LIB) -I tests
-$(PLUGIN_DIR)/tests/print.cmo: BFLAGS=-I $(FRAMAC_LIB) -I tests
-$(PLUGIN_DIR)/tests/print.cmx: OFLAGS=-I $(FRAMAC_LIB) -I tests
-
 PLUGIN_TESTS_DIRS := reject runtime bts gmp no-main
-PLUGIN_TESTS_LIB:=tests/print.ml
+PLUGIN_TESTS_LIB:=$(PLUGIN_DIR)/tests/print.ml
 
 E_ACSL_TESTS: $(PLUGIN_DIR)/tests/test_config