diff --git a/src/qt/test/test_main.cpp b/src/qt/test/test_main.cpp
index da5f074390..bb768f1325 100644
--- a/src/qt/test/test_main.cpp
+++ b/src/qt/test/test_main.cpp
@@ -6,6 +6,7 @@
 #include "config/bitcoin-config.h"
 #endif
 
+#include "util.h"
 #include "uritests.h"
 
 #ifdef ENABLE_WALLET
@@ -27,6 +28,7 @@ Q_IMPORT_PLUGIN(qkrcodecs)
 // This is all you need to run all the tests
 int main(int argc, char *argv[])
 {
+    SetupEnvironment();
     bool fInvalid = false;
 
     // Don't remove this, it's needed to access
diff --git a/src/test/test_bitcoin.cpp b/src/test/test_bitcoin.cpp
index 7d5207b11e..5358e18668 100644
--- a/src/test/test_bitcoin.cpp
+++ b/src/test/test_bitcoin.cpp
@@ -28,6 +28,7 @@ extern void noui_connect();
 
 BasicTestingSetup::BasicTestingSetup()
 {
+        SetupEnvironment();
         fPrintToDebugLog = false; // don't want to write to debug.log file
         SelectParams(CBaseChainParams::MAIN);
 }
diff --git a/src/util.cpp b/src/util.cpp
index 4192e44ae1..5fef3a40dd 100644
--- a/src/util.cpp
+++ b/src/util.cpp
@@ -723,18 +723,19 @@ void RenameThread(const char* name)
 
 void SetupEnvironment()
 {
+    std::locale loc("C");
     // On most POSIX systems (e.g. Linux, but not BSD) the environment's locale
     // may be invalid, in which case the "C" locale is used as fallback.
 #if !defined(WIN32) && !defined(MAC_OSX) && !defined(__FreeBSD__) && !defined(__OpenBSD__)
     try {
-        std::locale(""); // Raises a runtime error if current locale is invalid
+        loc = std::locale(""); // Raises a runtime error if current locale is invalid
     } catch (const std::runtime_error&) {
-        std::locale::global(std::locale("C"));
+        setenv("LC_ALL", "C", 1);
     }
 #endif
     // The path locale is lazy initialized and to avoid deinitialization errors 
     // in multithreading environments, it is set explicitly by the main thread.
-    boost::filesystem::path::imbue(std::locale());    
+    boost::filesystem::path::imbue(loc);
 }
 
 void SetThreadPriority(int nPriority)