diff --git a/src/add-ons/kernel/file_systems/nfs4/InodeRegular.cpp b/src/add-ons/kernel/file_systems/nfs4/InodeRegular.cpp
index cc53d1d070..f132762264 100644
--- a/src/add-ons/kernel/file_systems/nfs4/InodeRegular.cpp
+++ b/src/add-ons/kernel/file_systems/nfs4/InodeRegular.cpp
@@ -138,6 +138,13 @@ Inode::Open(int mode, OpenFileCookie* cookie)
 		}
 	}
 
+	if ((mode & O_TRUNC) == O_TRUNC) {
+		struct stat st;
+		st.st_size = 0;
+		WriteStat(&st, B_STAT_SIZE);
+		file_cache_set_size(fFileCache, 0);
+	}
+
 	cookie->fOpenState = fOpenState;
 
 	cookie->fFileSystem = fFileSystem;
diff --git a/src/add-ons/kernel/file_systems/nfs4/NFS4Inode.cpp b/src/add-ons/kernel/file_systems/nfs4/NFS4Inode.cpp
index 67649d998a..a424350b29 100644
--- a/src/add-ons/kernel/file_systems/nfs4/NFS4Inode.cpp
+++ b/src/add-ons/kernel/file_systems/nfs4/NFS4Inode.cpp
@@ -526,15 +526,6 @@ NFS4Inode::OpenFile(OpenState* state, int mode, OpenDelegationData* delegation)
 		}
 
 		req.PutFH(fInfo.fParent);
-		if ((mode & O_TRUNC) == O_TRUNC) {
-			AttrValue attr;
-			attr.fAttribute = FATTR4_SIZE;
-			attr.fFreePointer = false;
-			attr.fData.fValue64 = 0;
-			req.Open(CLAIM_NULL, sequence, sModeToAccess(mode),
-				state->fClientID, OPEN4_CREATE, fFileSystem->OpenOwner(), 
-				fInfo.fName, &attr, 1, false);
-		} else
 		req.Open(CLAIM_NULL, sequence, sModeToAccess(mode), state->fClientID,
 			OPEN4_NOCREATE, fFileSystem->OpenOwner(), fInfo.fName);
 		req.GetFH();