diff --git a/src/detection/memory/memory_linux.c b/src/detection/memory/memory_linux.c
index 7b940303e..1932896b6 100644
--- a/src/detection/memory/memory_linux.c
+++ b/src/detection/memory/memory_linux.c
@@ -34,11 +34,11 @@ const char* ffDetectMemory(FFMemoryResult* ram)
                     if (++count >= 6) goto done;
                 break;
             case 'M':
-                if(sscanf(line, "MemTotal: %" PRIu64, &memTotal) > 0 || sscanf(line, "MemFree: %u", &memFree) > 0)
+                if(sscanf(line, "MemTotal: %" PRIu64, &memTotal) > 0 || sscanf(line, "MemFree: %" PRIu64, &memFree) > 0)
                     if (++count >= 6) goto done;
                 break;
             case 'S':
-                if(sscanf(line, "Shmem: %" PRIu64, &shmem) > 0 || sscanf(line, "SReclaimable: %u", &sReclaimable) > 0)
+                if(sscanf(line, "Shmem: %" PRIu64, &shmem) > 0 || sscanf(line, "SReclaimable: %" PRIu64, &sReclaimable) > 0)
                     if (++count >= 6) goto done;
                 break;
         }