diff --git a/src/shell/shell_cmds.cpp b/src/shell/shell_cmds.cpp
index a8cf22bd..3cfb13c6 100644
--- a/src/shell/shell_cmds.cpp
+++ b/src/shell/shell_cmds.cpp
@@ -1235,7 +1235,16 @@ void DOS_Shell::CMD_VER(char *args) {
 		char* word = StripWord(args);
 		if(strcasecmp(word,"set")) return;
 		word = StripWord(args);
-		dos.version.major = (Bit8u)(atoi(word));
-		dos.version.minor = (Bit8u)(atoi(args));
+		if (!*args && !*word) { //Reset
+			dos.version.major = 5;
+			dos.version.minor = 0;
+		} else if (*args == 0 && *word && (strchr(word,'.') != 0)) { //Allow: ver set 5.1
+			const char * p = strchr(word,'.');
+			dos.version.major = (Bit8u)(atoi(word));
+			dos.version.minor = (Bit8u)(atoi(p+1));
+		} else { //Official syntax: ver set 5 2
+			dos.version.major = (Bit8u)(atoi(word));
+			dos.version.minor = (Bit8u)(atoi(args));
+		}
 	} else WriteOut(MSG_Get("SHELL_CMD_VER_VER"),VERSION,dos.version.major,dos.version.minor);
 }