diff --git a/websh.c b/websh.c
index 9d62820..742adc7 100644
--- a/websh.c
+++ b/websh.c
@@ -10,12 +10,16 @@
 #include <stdlib.h>
 #include <unistd.h>
 #include <assert.h>
+#include <string.h>
 
 #include <errno.h>
 #include <signal.h>
 
 static const char *pname;
 
+static const char *word;
+static const char *tag;
+
 void usage(void)
 {
 	fprintf(stderr, "Usage: websh [-e] [-h] [-s WORD:TAG]\n");
@@ -29,6 +33,7 @@ void parse(int argc, char *argv[])
 	int sFlag = 0;
 
 	int optInd = 0;
+	char *sArg;
 
 	while ((optInd = getopt(argc, argv, "ehs:")) != -1) {
 		switch (optInd) {
@@ -51,7 +56,7 @@ void parse(int argc, char *argv[])
 					usage();
 				} else {
 					sFlag = 1;
-					char *sArg = optarg;
+					sArg = optarg;
 				}
 				break;
 			case '?':
@@ -61,7 +66,19 @@ void parse(int argc, char *argv[])
 				
 		}
 	}
-
+	
+	char *token;
+	int i = 0;
+	while ((token = strsep(&sArg, ":"))) {
+		if (i == 2)
+			usage();
+		if (i == 0) {
+			word = token;
+		} else {
+			tag = token;
+		}
+		i++;
+	}
 
 	pname = argv[0];
 }