diff --git a/src/detection/diskio/diskio_apple.c b/src/detection/diskio/diskio_apple.c
index b733cbfc9..dd87d3851 100644
--- a/src/detection/diskio/diskio_apple.c
+++ b/src/detection/diskio/diskio_apple.c
@@ -46,6 +46,7 @@ const char* ffDiskIOGetIoCounters(FFlist* result, FFDiskIOOptions* options)
             continue;
 
         FFDiskIOResult* device = (FFDiskIOResult*) ffListAdd(result);
+        ffStrbufInit(&device->serial);
         ffStrbufInitS(&device->name, deviceName);
         ffStrbufInit(&device->devPath);
         device->type = FF_DISKIO_PHYSICAL_TYPE_UNKNOWN;
diff --git a/src/detection/diskio/diskio_bsd.c b/src/detection/diskio/diskio_bsd.c
index a4a911b93..8e3b3bc8a 100644
--- a/src/detection/diskio/diskio_bsd.c
+++ b/src/detection/diskio/diskio_bsd.c
@@ -47,6 +47,7 @@ const char* ffDiskIOGetIoCounters(FFlist* result, FFDiskIOOptions* options)
 
         FFDiskIOResult* device = (FFDiskIOResult*) ffListAdd(result);
         ffStrbufInitF(&device->devPath, "/dev/%s", provider->lg_name);
+        ffStrbufInit(&device->serial);
         ffStrbufInit(&device->interconnect);
         switch (snapIter->device_type & DEVSTAT_TYPE_IF_MASK)
         {
diff --git a/src/detection/diskio/diskio_windows.c b/src/detection/diskio/diskio_windows.c
index 853c74266..380ba14ba 100644
--- a/src/detection/diskio/diskio_windows.c
+++ b/src/detection/diskio/diskio_windows.c
@@ -66,6 +66,7 @@ const char* ffDiskIOGetIoCounters(FFlist* result, FFDiskIOOptions* options)
 
             DWORD retSize = 0;
 
+            ffStrbufInit(&device->serial);
             char sddBuffer[4096];
             if(DeviceIoControl(
                 hDevice,
@@ -83,7 +84,10 @@ const char* ffDiskIOGetIoCounters(FFlist* result, FFDiskIOOptions* options)
             {
                 STORAGE_DEVICE_DESCRIPTOR* sdd = (STORAGE_DEVICE_DESCRIPTOR*) sddBuffer;
                 if (sdd->SerialNumberOffset != 0)
+                {
                     ffStrbufSetS(&device->serial, (const char*) sddBuffer + sdd->SerialNumberOffset);
+                    ffStrbufTrim(&device->serial, ' ');
+                }
             }
 
             DEVICE_SEEK_PENALTY_DESCRIPTOR dspd = {};
diff --git a/src/modules/diskio/diskio.c b/src/modules/diskio/diskio.c
index ef15cef11..143e56340 100644
--- a/src/modules/diskio/diskio.c
+++ b/src/modules/diskio/diskio.c
@@ -6,7 +6,7 @@
 #include "util/stringUtils.h"
 
 #define FF_DISKIO_DISPLAY_NAME "Disk IO"
-#define FF_DISKIO_NUM_FORMAT_ARGS 11
+#define FF_DISKIO_NUM_FORMAT_ARGS 12
 
 static int sortDevices(const FFDiskIOResult* left, const FFDiskIOResult* right)
 {
@@ -102,6 +102,7 @@ void ffPrintDiskIO(FFDiskIOOptions* options)
                 {FF_FORMAT_ARG_TYPE_UINT64, &dev->readCount},
                 {FF_FORMAT_ARG_TYPE_UINT64, &dev->writeCount},
                 {FF_FORMAT_ARG_TYPE_STRBUF, &sizePretty},
+                {FF_FORMAT_ARG_TYPE_STRBUF, &dev->serial},
             });
         }
         ++index;
@@ -202,6 +203,7 @@ void ffGenerateDiskIOJsonResult(FFDiskIOOptions* options, yyjson_mut_doc* doc, y
         yyjson_mut_obj_add_uint(doc, obj, "readCount", dev->readCount);
         yyjson_mut_obj_add_uint(doc, obj, "writeCount", dev->writeCount);
         yyjson_mut_obj_add_uint(doc, obj, "size", dev->size);
+        yyjson_mut_obj_add_strbuf(doc, obj, "serial", &dev->serial);
     }
 
     FF_LIST_FOR_EACH(FFDiskIOResult, dev, result)
@@ -226,6 +228,7 @@ void ffPrintDiskIOHelpFormat(void)
         "Number of reads",
         "Number of writes",
         "Device size (formatted)",
+        "Serial number",
     });
 }