diff --git a/Makefile b/Makefile
index 7e6bb40d0d..ff0ca92db6 100644
--- a/Makefile
+++ b/Makefile
@@ -106,6 +106,7 @@ export PROTOUFIX DEFINES
 #
 # Independent options for all tools.
 DEFINES			+= -D_FILE_OFFSET_BITS=64
+DEFINES			+= -D_LARGEFILE64_SOURCE
 DEFINES			+= -D_GNU_SOURCE
 
 WARNINGS		:= -Wall -Wformat-security -Wdeclaration-after-statement -Wstrict-prototypes
diff --git a/test/zdtm/Makefile.inc b/test/zdtm/Makefile.inc
index 2456260e66..24f32c6068 100644
--- a/test/zdtm/Makefile.inc
+++ b/test/zdtm/Makefile.inc
@@ -41,7 +41,7 @@ PKG_CONFIG ?= pkg-config
 CFLAGS	+= -g -O2 -Wall -Werror -U_FORTIFY_SOURCE -D_FORTIFY_SOURCE=0
 CFLAGS	+= -Wdeclaration-after-statement -Wstrict-prototypes
 CFLAGS	+= $(USERCFLAGS) $(ARCHCFLAGS)
-CFLAGS	+= -D_GNU_SOURCE
+CFLAGS	+= -D_GNU_SOURCE -D_LARGEFILE64_SOURCE
 CPPFLAGS += -iquote $(LIBDIR)/arch/$(ARCH)/include
 
 ifeq ($(strip $(V)),)