diff --git a/tools/munin-plugins-busybox/common.h b/tools/munin-plugins-busybox/common.h
index 67a5bebc..8db440a9 100644
--- a/tools/munin-plugins-busybox/common.h
+++ b/tools/munin-plugins-busybox/common.h
@@ -1,6 +1,8 @@
 #ifndef COMMON_H
 #define COMMON_H
 
+#define PROC_STAT "/proc/stat"
+
 int writeyes(void);
 int writeno(const char *);
 
diff --git a/tools/munin-plugins-busybox/cpu.c b/tools/munin-plugins-busybox/cpu.c
index 171a3d3c..9f3483f8 100644
--- a/tools/munin-plugins-busybox/cpu.c
+++ b/tools/munin-plugins-busybox/cpu.c
@@ -19,8 +19,8 @@ int cpu(int argc, char **argv) {
 			if(s && !strcmp(s, "yes"))
 				scaleto100=1;
 
-			if(!(f=fopen("/proc/stat", "r"))) {
-				fputs("cannot open /proc/stat\n", stderr);
+			if(!(f=fopen(PROC_STAT, "r"))) {
+				fputs("cannot open " PROC_STAT "\n", stderr);
 				return 1;
 			}
 			while(fgets(buff, 256, f)) {
@@ -37,7 +37,7 @@ int cpu(int argc, char **argv) {
 			fclose(f);
 
 			if(ncpu < 1 || extinfo < 4) {
-				fputs("cannot parse /proc/stat\n", stderr);
+				fputs("cannot parse " PROC_STAT "\n", stderr);
 				return 1;
 			}
 
@@ -114,14 +114,14 @@ int cpu(int argc, char **argv) {
 			return 0;
 		}
 		if(!strcmp(argv[1], "autoconf")) {
-			if(0 == access("/proc/stat", R_OK))
+			if(0 == access(PROC_STAT, R_OK))
 				return writeyes();
 			else
-				return writeno("/proc/stat not readable");
+				return writeno(PROC_STAT " not readable");
 		}
 	}
-	if(!(f=fopen("/proc/stat", "r"))) {
-		fputs("cannot open /proc/stat\n", stderr);
+	if(!(f=fopen(PROC_STAT, "r"))) {
+		fputs("cannot open " PROC_STAT "\n", stderr);
 		return 1;
 	}
 	while(fgets(buff, 256, f)) {
@@ -152,6 +152,6 @@ int cpu(int argc, char **argv) {
 		}
 	}
 	fclose(f);
-	fputs("no cpu line found in /proc/stat\n", stderr);
+	fputs("no cpu line found in " PROC_STAT "\n", stderr);
 	return 1;
 }
diff --git a/tools/munin-plugins-busybox/forks.c b/tools/munin-plugins-busybox/forks.c
index fa4dadb4..3d4a198e 100644
--- a/tools/munin-plugins-busybox/forks.c
+++ b/tools/munin-plugins-busybox/forks.c
@@ -21,14 +21,14 @@ int forks(int argc, char **argv) {
 			return 0;
 		}
 		if(!strcmp(argv[1], "autoconf")) {
-			if(0 == access("/proc/stat", R_OK))
+			if(0 == access(PROC_STAT, R_OK))
 				return writeyes();
 			else
-				return writeno("/proc/stat not readable");
+				return writeno(PROC_STAT " not readable");
 		}
 	}
-	if(!(f=fopen("/proc/stat", "r"))) {
-		fputs("cannot open /proc/stat\n", stderr);
+	if(!(f=fopen(PROC_STAT, "r"))) {
+		fputs("cannot open " PROC_STAT "\n", stderr);
 		return 1;
 	}
 	while(fgets(buff, 256, f)) {
@@ -39,6 +39,6 @@ int forks(int argc, char **argv) {
 		}
 	}
 	fclose(f);
-	fputs("no processes line found in /proc/stat\n", stderr);
+	fputs("no processes line found in " PROC_STAT "\n", stderr);
 	return 1;
 }
diff --git a/tools/munin-plugins-busybox/interrupts.c b/tools/munin-plugins-busybox/interrupts.c
index 2755ccf6..8c800c61 100644
--- a/tools/munin-plugins-busybox/interrupts.c
+++ b/tools/munin-plugins-busybox/interrupts.c
@@ -26,14 +26,14 @@ int interrupts(int argc, char **argv) {
 			return 0;
 		}
 		if(!strcmp(argv[1], "autoconf")) {
-			if(0 == access("/proc/stat", R_OK))
+			if(0 == access(PROC_STAT, R_OK))
 				return writeyes();
 			else
-				return writeno("/proc/stat not readable");
+				return writeno(PROC_STAT " not readable");
 		}
 	}
-	if(!(f=fopen("/proc/stat", "r"))) {
-		fputs("cannot open /proc/stat\n", stderr);
+	if(!(f=fopen(PROC_STAT, "r"))) {
+		fputs("cannot open " PROC_STAT "\n", stderr);
 		return 1;
 	}
 	while(fgets(buff, 256, f)) {
diff --git a/tools/munin-plugins-busybox/swap.c b/tools/munin-plugins-busybox/swap.c
index 1a270fe8..3decfbb0 100644
--- a/tools/munin-plugins-busybox/swap.c
+++ b/tools/munin-plugins-busybox/swap.c
@@ -27,10 +27,10 @@ int swap(int argc, char **argv) {
 			return 0;
 		}
 		if(!strcmp(argv[1], "autoconf")) {
-			if(0 == access("/proc/stat", R_OK))
+			if(0 == access(PROC_STAT, R_OK))
 				return writeyes();
 			else
-				return writeno("/proc/stat not readable");
+				return writeno(PROC_STAT " not readable");
 		}
 	}
 	if(!access("/proc/vmstat", F_OK)) {
@@ -56,15 +56,16 @@ int swap(int argc, char **argv) {
 		}
 		return 0;
 	} else {
-		if(!(f=fopen("/proc/stat", "r"))) {
-			fputs("cannot open /proc/stat\n", stderr);
+		if(!(f=fopen(PROC_STAT, "r"))) {
+			fputs("cannot open " PROC_STAT "\n", stderr);
 			return 1;
 		}
 		while(fgets(buff, 256, f)) {
 			if(!strncmp(buff, "swap ", 5)) {
 				fclose(f);
 				if(2 != sscanf(buff+5, "%d %d", &in, &out)) {
-					fputs("bad data on /proc/stat\n", stderr);
+					fputs("bad data on " PROC_STAT "\n",
+							stderr);
 					return 1;
 				}
 				printf("swap_in.value %d\nswap_out.value %d\n", in, out);
@@ -72,7 +73,7 @@ int swap(int argc, char **argv) {
 			}
 		}
 		fclose(f);
-		fputs("no swap line found in /proc/stat\n", stderr);
+		fputs("no swap line found in " PROC_STAT "\n", stderr);
 		return 1;
 	}
 }