diff --git a/split.c b/split.c
index c91865e..638af54 100644
--- a/split.c
+++ b/split.c
@@ -27,9 +27,9 @@ main(int argc, char *argv[])
 	char *prefix = "x";
 	char *file = NULL;
 	char *tmp, *end;
-	uint64_t size = 1000, scale, n;
+	uint64_t size = 1000, scale = 1, n;
 	int always = 0;
-	FILE *in=stdin, *out=NULL;
+	FILE *in = stdin, *out = NULL;
 
 	ARGBEGIN {
 	case 'b':
diff --git a/xargs.c b/xargs.c
index ada00b6..c80c524 100644
--- a/xargs.c
+++ b/xargs.c
@@ -40,9 +40,9 @@ usage(void)
 int
 main(int argc, char *argv[])
 {
-	int leftover;
+	int leftover = 0;
 	long argsz, argmaxsz;
-	char *arg;
+	char *arg = "";
 	int i, a;
 
 	ARGBEGIN {
@@ -67,7 +67,6 @@ main(int argc, char *argv[])
 	/* Leave some room for environment variables */
 	argmaxsz -= 4 * 1024;
 
-	leftover = 0;
 	do {
 		argsz = 0; i = 0; a = 0;
 		if (argc > 0) {