diff --git a/f54test/Makefile b/f54test/Makefile
index e0f1b64..272646c 100644
--- a/f54test/Makefile
+++ b/f54test/Makefile
@@ -1,5 +1,6 @@
 CXX ?= g++
 CPPFLAGS += -I../include -I./include -I../rmidevice
+CPPFLAGS += -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE
 CXXFLAGS += -Wall
 LDFLAGS += -L.
 LIBS =  -lrmidevice -lrt
diff --git a/rmi4update/Makefile b/rmi4update/Makefile
index b8ce096..c8fe3cc 100644
--- a/rmi4update/Makefile
+++ b/rmi4update/Makefile
@@ -1,5 +1,6 @@
 CXX ?= g++
 CPPFLAGS += -I../include -I./include -I../rmidevice
+CPPFLAGS += -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE
 CXXFLAGS += -Wall
 LDFLAGS += -L.
 LIBS =  -lrmidevice -lrt
diff --git a/rmidevice/Makefile b/rmidevice/Makefile
index d9f32cc..4ce6b39 100644
--- a/rmidevice/Makefile
+++ b/rmidevice/Makefile
@@ -2,6 +2,7 @@
 AR ?= ar
 RANLIB ?= ranlib
 CPPFLAGS += -I../include -I./include
+CPPFLAGS += -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE
 CXXFLAGS += -fPIC -Wall
 RMIDEVICESRC = rmifunction.cpp rmidevice.cpp hiddevice.cpp util.cpp
 RMIDEVICEOBJ = $(RMIDEVICESRC:.cpp=.o)
diff --git a/rmihidtool/Makefile b/rmihidtool/Makefile
index 3553c99..e03fe92 100644
--- a/rmihidtool/Makefile
+++ b/rmihidtool/Makefile
@@ -1,5 +1,6 @@
 CXX ?= g++
 CPPFLAGS += -I../include -I./include -I../rmidevice
+CPPFLAGS += -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE
 CXXFLAGS += -Wall
 LDFLAGS += -L.
 LIBS =  -lrmidevice