diff --git a/src/includes/helpers.h b/src/includes/helpers.h
index 39b192a3..94e59a83 100644
--- a/src/includes/helpers.h
+++ b/src/includes/helpers.h
@@ -46,6 +46,8 @@
 # define _unused
 #endif
 
+#define ARRAY_SIZE(a) (sizeof(a) / sizeof((a)[0]))
+
 /* Some libc implemntations don't have these */
 #ifndef TAILQ_CONCAT
 #define TAILQ_CONCAT(head1, head2, field) do {				      \
diff --git a/src/libeinfo/libeinfo.c b/src/libeinfo/libeinfo.c
index eb331930..98cec928 100644
--- a/src/libeinfo/libeinfo.c
+++ b/src/libeinfo/libeinfo.c
@@ -135,7 +135,7 @@ static const struct ecolor ecolors[] = {
 	{ ECOLOR_BRACKET, BRACKET, "bracket" },
 	{ ECOLOR_NORMAL,  0,       NULL      },
 };
-static const char *ecolors_str[sizeof(ecolors)/sizeof(ecolors[0])];
+static const char *ecolors_str[ARRAY_SIZE(ecolors)];
 
 static char *flush = NULL;
 static char *up = NULL;
@@ -442,7 +442,7 @@ colour_terminal(FILE * EINFO_RESTRICT f)
 
 	/* Now setup our colours */
 	p = ebuffer;
-	for (i = 0; i < sizeof(ecolors) / sizeof(ecolors[0]); i++) {
+	for (i = 0; i < ARRAY_SIZE(ecolors); ++i) {
 		tmp[0] = '\0';
 		if (ecolors[i].name) {
 			bold = _md;
@@ -578,7 +578,7 @@ _ecolor(FILE * EINFO_RESTRICT f, ECOLOR color)
 	if (!colour_terminal(f))
 		return "";
 
-	for (i = 0; i < sizeof(ecolors) / sizeof(ecolors[0]); i++)
+	for (i = 0; i < ARRAY_SIZE(ecolors); ++i)
 		if (ecolors[i].color == color)
 			return ecolors_str[i];
 	return "";
diff --git a/src/rc/start-stop-daemon.c b/src/rc/start-stop-daemon.c
index 965b3312..d1eb8a5d 100644
--- a/src/rc/start-stop-daemon.c
+++ b/src/rc/start-stop-daemon.c
@@ -192,7 +192,7 @@ parse_signal(const char *sig)
 	else
 		s = NULL;
 
-	for (i = 0; i < sizeof(signallist) / sizeof(signallist[0]); i++)
+	for (i = 0; i < ARRAY_SIZE(signallist); ++i)
 		if (strcmp(sig, signallist[i].name) == 0 ||
 		    (s && strcmp(s, signallist[i].name) == 0))
 			return signallist[i].signal;