diff --git a/utils/misc/release_gmsh_getdp.sh b/utils/misc/release_gmsh_getdp.sh
index 65c2dd02dbf3def1d7135561511d5f3d6ef4dd5e..91eebdbc5d255c250dd732a04e715eb930f48e40 100755
--- a/utils/misc/release_gmsh_getdp.sh
+++ b/utils/misc/release_gmsh_getdp.sh
@@ -1,6 +1,6 @@
 #!/bin/sh
 
-if [ $# -lt 2 ]; then
+if [ $# -lt 1 ]; then
   echo "Usage: $0 arch" 1>&2;
   echo "  with arch in [mac,linux32,linux64,win32,win64]" 1>&2;
   exit 1;