diff --git a/package/unzip/unzip.mk b/package/unzip/unzip.mk
index 44cc2013fb..14ccedd48f 100644
--- a/package/unzip/unzip.mk
+++ b/package/unzip/unzip.mk
@@ -28,4 +28,18 @@ UNZIP_IGNORE_CVES = \
 	CVE-2022-0529 \
 	CVE-2022-0530
 
+# unzip already defines _LARGEFILE_SOURCE and _LARGEFILE64_SOURCE when
+# necessary, redefining it on the command line causes some warnings.
+UNZIP_TARGET_CFLAGS = \
+	$(filter-out -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE,$(TARGET_CFLAGS))
+
+# unzip already defines _LARGEFILE_SOURCE and _LARGEFILE64_SOURCE when
+# necessary, redefining it on the command line causes some warnings.
+UNZIP_TARGET_CXXFLAGS = \
+	$(filter-out -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE,$(TARGET_CXXFLAGS))
+
+UNZIP_CONF_OPTS += \
+	-DCMAKE_C_FLAGS="$(UNZIP_TARGET_CFLAGS) -DLARGE_FILE_SUPPORT" \
+	-DCMAKE_CXX_FLAGS="$(UNZIP_TARGET_CXXFLAGS) -DLARGE_FILE_SUPPORT"
+
 $(eval $(cmake-package))