diff --git a/Makefile b/Makefile
index 2ce770e..de87f9a 100644
--- a/Makefile
+++ b/Makefile
@@ -60,7 +60,7 @@ libgourou.so: $(OBJECTS) $(UPDFPARSERLIB)
 	$(CXX) obj/*.o $(LDFLAGS) -o $@ -shared
 
 build_utils:
-	make -C utils ROOT=$(PWD) CXX=$(CXX) AR=$(AR) DEBUG=$(DEBUG) STATIC_UTILS=$(STATIC_UTILS)
+	make -C utils ROOT=$(PWD) CXX=$(CXX) AR=$(AR) DEBUG=$(DEBUG) STATIC_UTILS=$(STATIC_UTILS) OPENSSL3=$(OPENSSL3)
 
 clean:
 	rm -rf libgourou.a libgourou.so obj
diff --git a/utils/Makefile b/utils/Makefile
index 386bd97..3d1de32 100644
--- a/utils/Makefile
+++ b/utils/Makefile
@@ -3,11 +3,18 @@ TARGETS=acsmdownloader adept_activate adept_remove adept_loan_mgt
 
 CXXFLAGS=-Wall -fPIC -I$(ROOT)/include -I$(ROOT)/lib/pugixml/src/
 
+LDFLAGS=
+
+ifneq ($(OPENSSL3),)
 # OpenSSL 1.1.0 compat
 CXXFLAGS += -DOPENSSL_API_COMPAT=0x10100000L
+CXXFLAGS += -I/tmp/openssl3/usr/include/ -I/tmp/openssl3/usr/include/x86_64-linux-gnu
+LDFLAGS += -L/tmp/openssl3/usr/lib/x86_64-linux-gnu -L/tmp/openssl3/usr/lib/x86_64-linux-gnu/ossl-modules
+endif
+
 
 STATIC_DEP=
-LDFLAGS=-L$(ROOT) -lcrypto -lzip -lz -lcurl
+LDFLAGS += -L$(ROOT) -lcrypto -lzip -lz -lcurl
 
 ifneq ($(STATIC_UTILS),)
 STATIC_DEP = $(ROOT)/libgourou.a
@@ -21,6 +28,7 @@ else
 CXXFLAGS += -O2
 endif
 
+
 COMMON_DEPS = drmprocessorclientimpl.cpp utils_common.cpp
 COMMON_OBJECTS = $(COMMON_DEPS:.cpp=.o)
 COMMON_LIB  = utils.a