diff --git a/src/alert-unified-alert.c b/src/alert-unified-alert.c
index 9766ff771f..8a7fab9089 100644
--- a/src/alert-unified-alert.c
+++ b/src/alert-unified-alert.c
@@ -111,6 +111,7 @@ int AlertUnifiedAlertCloseFile(ThreadVars *t, AlertUnifiedAlertThread *aun) {
             aun->file_ctx->filename = NULL;
         }
     }
+    aun->size_current = 0;
 
     return 0;
 }
diff --git a/src/alert-unified-log.c b/src/alert-unified-log.c
index d19d6fa24f..afd21f404d 100644
--- a/src/alert-unified-log.c
+++ b/src/alert-unified-log.c
@@ -115,6 +115,7 @@ int AlertUnifiedLogCloseFile(ThreadVars *t, AlertUnifiedLogThread *aun) {
             aun->file_ctx->filename = NULL;
         }
     }
+    aun->size_current = 0;
     return 0;
 }
 
diff --git a/src/alert-unified2-alert.c b/src/alert-unified2-alert.c
index bdfe842c6f..3f98fb9a98 100644
--- a/src/alert-unified2-alert.c
+++ b/src/alert-unified2-alert.c
@@ -140,6 +140,7 @@ int Unified2AlertCloseFile(ThreadVars *t, Unified2AlertThread *aun) {
             aun->file_ctx->filename = NULL;
         }
     }
+    aun->size_current = 0;
 
     return 0;
 }