diff --git a/twrpTar.cpp b/twrpTar.cpp
index 2636849..4344867 100644
--- a/twrpTar.cpp
+++ b/twrpTar.cpp
@@ -57,6 +57,7 @@
 	if(pthread_join(thread, NULL)) {
 		return -1;
 	}
+	TWFunc::drop_caches();
 	return 0;
 }
 
@@ -68,6 +69,7 @@
 	if(pthread_join(thread, NULL)) {
 		return -1;
 	}
+	TWFunc::drop_caches();
 	return 0;
 }
 
@@ -79,6 +81,7 @@
 	if(pthread_join(thread, NULL)) {
 		return -1;
 	}
+	TWFunc::drop_caches();
 	return 0;
 }
 
@@ -90,6 +93,7 @@
 	if(pthread_join(thread, NULL)) {
 		return -1;
 	}
+	TWFunc::drop_caches();
 	return 0;
 }