diff --git a/src/detection/swap/swap_linux.c b/src/detection/swap/swap_linux.c
index 982d75739..02183d6e6 100644
--- a/src/detection/swap/swap_linux.c
+++ b/src/detection/swap/swap_linux.c
@@ -8,25 +8,21 @@
 const char* ffDetectSwap(FFSwapResult* swap)
 {
     // #620
-    FF_AUTO_CLOSE_FILE FILE* meminfo = fopen("/proc/meminfo", "r");
-    if (!meminfo) return "fopen(\"/proc/meminfo\", \"r\") failed";
+    char buf[PROC_FILE_BUFFSIZ];
+    ssize_t nRead = ffReadFileData("/proc/meminfo", sizeof(buf) - 1, buf);
+    if(nRead < 0)
+        return "ffReadFileData(\"/proc/meminfo\", sizeof(buf)-1, buf)";
+    buf[nRead] = '\0';
 
     uint64_t swapTotal = 0, swapFree = 0;
 
-    char* FF_AUTO_FREE line = NULL;
-    size_t len = 0;
-    uint8_t count = 0;
+    char *token = NULL;
+    if ((token = strstr(buf, "SwapTotal:")) != NULL)
+        sscanf(token, "SwapTotal: %" PRIu64, &swapTotal);
+    
+    if ((token = strstr(buf, "SwapFree:")) != NULL)
+        sscanf(token, "SwapFree: %" PRIu64, &swapFree);
 
-    while (getline(&line, &len, meminfo) != EOF)
-    {
-        if (line[0] == 'S')
-        {
-            if(sscanf(line, "SwapTotal: %" PRIu64, &swapTotal) > 0 || sscanf(line, "SwapFree: %" PRIu64, &swapFree) > 0)
-                if (++count >= 2) goto done;
-        }
-    }
-
-done:
     swap->bytesTotal = swapTotal * 1024lu;
     swap->bytesUsed = (swapTotal - swapFree) * 1024lu;