4 files changed, 5 insertions, 5 deletions
diff --git a/test/libapt/getlistoffilesindir_test.cc b/test/libapt/getlistoffilesindir_test.cc
index 5ee014cca..b2c95e840 100644
--- a/test/libapt/getlistoffilesindir_test.cc
+++ b/test/libapt/getlistoffilesindir_test.cc
@@ -7,7 +7,7 @@
 #include <stdio.h>
 #include <iostream>
 
-#define P(x)	string(argv[1]).append("/").append(x)
+#define P(x)	std::string(argv[1]).append("/").append(x)
 
 int main(int argc,char *argv[])
 {
diff --git a/test/libapt/hashsums_test.cc b/test/libapt/hashsums_test.cc
index 2cb71cc38..396e4cf6b 100644
--- a/test/libapt/hashsums_test.cc
+++ b/test/libapt/hashsums_test.cc
@@ -146,7 +146,7 @@ int main(int argc, char** argv)
    equals(sha2.VerifyFile(argv[1]), true);
    }
    {
-   HashString sha2("SHA256:"+string(argv[4]));
+   HashString sha2("SHA256:" + std::string(argv[4]));
    equals(sha2.VerifyFile(argv[1]), true);
    }
 
diff --git a/test/libapt/parsedepends_test.cc b/test/libapt/parsedepends_test.cc
index 7b496878d..b5d92d9d2 100644
--- a/test/libapt/parsedepends_test.cc
+++ b/test/libapt/parsedepends_test.cc
@@ -4,8 +4,8 @@
 #include "assert.h"
 
 int main(int argc,char *argv[]) {
-	string Package;
-	string Version;
+	std::string Package;
+	std::string Version;
 	unsigned int Op = 5;
 	unsigned int Null = 0;
 	bool StripMultiArch = true;
diff --git a/test/libapt/strutil_test.cc b/test/libapt/strutil_test.cc
index af6eb2cc6..bfe0d7222 100644
--- a/test/libapt/strutil_test.cc
+++ b/test/libapt/strutil_test.cc
@@ -4,7 +4,7 @@
 
 int main(int argc,char *argv[])
 {
-   string input, output, expected;
+   std::string input, output, expected;
 
    // no input
    input = "foobar";