diff --git a/examples/procmap.c b/examples/procmap.c
index 2c0ff929..4277e5b0 100644
--- a/examples/procmap.c
+++ b/examples/procmap.c
@@ -116,24 +116,41 @@ main (int argc, char *argv [])
 		device_minor = (device & 255);
 		device_major = ((device >> 8) & 255);
 
-		if (filename)
-			fprintf (stderr, "%08lx-%08lx %08lx - "
-				 "%02x:%02x %08lu - %4s - %s\n",
+		if (filename) {
+			char *format;
+
+			if (sizeof (void*) == 8)
+				format = "%016lx-%016lx %016lx - "
+					 "%02x:%02x %08lu - %4s - %s\n";
+			else
+				format = "%08lx-%08lx %08lx - "
+					 "%02x:%02x %08lu - %4s - %s\n";
+
+			fprintf (stderr, format,
 				 (unsigned long) maps [i].start,
 				 (unsigned long) maps [i].end,
 				 (unsigned long) maps [i].offset,
 				 device_major, device_minor,
 				 (unsigned long) maps [i].inode,
 				 perm, filename);
-		else
-			fprintf (stderr, "%08lx-%08lx %08lx - "
-				 "%02x:%02x %08lu - %4s\n",
+		} else {
+			char * format;
+
+			if (sizeof (void*) == 8)
+				format = "%016lx-%016lx %016lx - "
+					 "%02x:%02x %08lu - %4s\n";
+			else
+				format = "%08lx-%08lx %08lx - "
+					 "%02x:%02x %08lu - %4s\n";
+
+			fprintf (stderr, format,
 				 (unsigned long) maps [i].start,
 				 (unsigned long) maps [i].end,
 				 (unsigned long) maps [i].offset,
 				 device_major, device_minor,
 				 (unsigned long) maps [i].inode,
 				 perm);
+		}
 
 		if (filename && (filename != maps [i].filename))
 			glibtop_free (filename);
diff --git a/sysdeps/linux/procmap.c b/sysdeps/linux/procmap.c
index 7109f574..d77dd912 100644
--- a/sysdeps/linux/procmap.c
+++ b/sysdeps/linux/procmap.c
@@ -66,11 +66,15 @@ glibtop_get_proc_map_s (glibtop *server, glibtop_proc_map *buf,	pid_t pid)
 	do {
 		short dev_major, dev_minor;
 		unsigned long start, end, offset, inode, perm;
-		char flags [5];
+		char flags [5], *format;
 		size_t size;
 
-		rv = fscanf (maps,
-			     "%08lx-%08lx %4c\n %08lx %02hx:%02hx %ld",
+		if (sizeof (void*) == 8)
+			format = "%16lx-%16lx %4c\n %16lx %02hx:%02hx %ld";
+		else
+			format = "%08lx-%08lx %4c\n %08lx %02hx:%02hx %ld";
+
+		rv = fscanf (maps, format,
 			     &start, &end, flags, &offset,
 			     &dev_major, &dev_minor, &inode);