diff --git a/src/ex_cmds.h b/src/ex_cmds.h
index fb8d62f..2bbf5ef 100644
--- a/src/ex_cmds.h
+++ b/src/ex_cmds.h
@@ -486,7 +486,7 @@
 	EX_BANG|EX_TRLBAR,
 	ADDR_NONE),
 EXCMD(CMD_diffget,	"diffget",	ex_diffgetput,
-	EX_RANGE|EX_EXTRA|EX_TRLBAR|EX_MODIFY,
+	EX_RANGE|EX_ZEROR|EX_EXTRA|EX_TRLBAR|EX_MODIFY,
 	ADDR_LINES),
 EXCMD(CMD_diffoff,	"diffoff",	ex_diffoff,
 	EX_BANG|EX_TRLBAR,
@@ -495,7 +495,7 @@
 	EX_EXTRA|EX_FILE1|EX_TRLBAR|EX_MODIFY,
 	ADDR_NONE),
 EXCMD(CMD_diffput,	"diffput",	ex_diffgetput,
-	EX_RANGE|EX_EXTRA|EX_TRLBAR,
+	EX_RANGE|EX_ZEROR|EX_EXTRA|EX_TRLBAR,
 	ADDR_LINES),
 EXCMD(CMD_diffsplit,	"diffsplit",	ex_diffsplit,
 	EX_EXTRA|EX_FILE1|EX_TRLBAR,