diff --git a/src/detection/physicaldisk/physicaldisk_bsd.c b/src/detection/physicaldisk/physicaldisk_bsd.c
index 42918ff95..562fbb3cf 100644
--- a/src/detection/physicaldisk/physicaldisk_bsd.c
+++ b/src/detection/physicaldisk/physicaldisk_bsd.c
@@ -65,6 +65,7 @@ const char* ffDetectPhysicalDisk(FFlist* result, FFPhysicalDiskOptions* options)
         FFPhysicalDiskResult* device = (FFPhysicalDiskResult*) ffListAdd(result);
         ffStrbufInitF(&device->devPath, "/dev/%s", provider->lg_name);
         ffStrbufInitMove(&device->serial, &identifier);
+        ffStrbufTrim(&device->serial, ' ');
         ffStrbufInit(&device->revision);
         ffStrbufInit(&device->interconnect);
         switch (snapIter->device_type & DEVSTAT_TYPE_IF_MASK)
diff --git a/src/detection/physicaldisk/physicaldisk_linux.c b/src/detection/physicaldisk/physicaldisk_linux.c
index 245ad639c..11923f4d4 100644
--- a/src/detection/physicaldisk/physicaldisk_linux.c
+++ b/src/detection/physicaldisk/physicaldisk_linux.c
@@ -153,7 +153,7 @@ static void parsePhysicalDisk(int dfd, const char* devName, FFPhysicalDiskOption
     {
         ffStrbufInit(&device->serial);
         if (ffReadFileBufferRelative(devfd, "serial", &device->serial))
-            ffStrbufTrimRightSpace(&device->serial);
+            ffStrbufTrim(&device->serial, ' ');
     }
 
     {