diff --git a/lmkd/lmkd.c b/lmkd/lmkd.c
index e2e5c4e..ee2f343 100644
--- a/lmkd/lmkd.c
+++ b/lmkd/lmkd.c
@@ -75,6 +75,9 @@
 #define ARRAY_SIZE(x)   (sizeof(x) / sizeof(*(x)))
 #define EIGHT_MEGA (1 << 23)
 
+#define STRINGIFY(x) STRINGIFY_INTERNAL(x)
+#define STRINGIFY_INTERNAL(x) #x
+
 /* default to old in-kernel interface if no memory pressure events */
 static int use_inkernel_interface = 1;
 static bool has_inkernel_module;
@@ -555,10 +558,10 @@
 
 #ifdef LMKD_LOG_STATS
 static void memory_stat_parse_line(char *line, struct memory_stat *mem_st) {
-    char key[LINE_MAX];
+    char key[LINE_MAX + 1];
     int64_t value;
 
-    sscanf(line,"%s  %" SCNd64 "", key, &value);
+    sscanf(line, "%" STRINGIFY(LINE_MAX) "s  %" SCNd64 "", key, &value);
 
     if (strcmp(key, "total_") < 0) {
         return;