diff --git a/tests/src/QZXingTests/QZXingTests.pro b/tests/src/QZXingTests/QZXingTests.pro
index 1cf9ff4..5809b0f 100644
--- a/tests/src/QZXingTests/QZXingTests.pro
+++ b/tests/src/QZXingTests/QZXingTests.pro
@@ -25,12 +25,12 @@ SOURCES += main.cpp \
     DecodeValidator.cpp \
     ValidationStats.cpp \
     EncodeValidator.cpp \
+    TestCase.cpp \
     zxing/qrcode/encoder/MatrixUtilTests.cpp \
     zxing/qrcode/encoder/MaskUtilTests.cpp \
     zxing/qrcode/encoder/BitArrayTests.cpp \
     zxing/qrcode/encoder/QRCodeTests.cpp \
     zxing/qrcode/encoder/EncoderTests.cpp \
-    zxing/common/reedsolomon/ReedSolomonEncoderTests.cpp \
-    TestCase.cpp
+    zxing/common/reedsolomon/ReedSolomonEncoderTests.cpp
 
 include(../../../src/QZXing.pri)
diff --git a/tests/src/QZXingTests/TestCase.cpp b/tests/src/QZXingTests/TestCase.cpp
index a3bca02..d8d9cf7 100644
--- a/tests/src/QZXingTests/TestCase.cpp
+++ b/tests/src/QZXingTests/TestCase.cpp
@@ -2,12 +2,16 @@
 #include <stdlib.h>     /* srand, rand */
 #include <time.h>       /* time */
 
-void zxing::TestCase::initializeRandom()
+namespace zxing{
+
+void TestCase::initializeRandom()
 {
     srand(time(NULL));
 }
 
-int zxing::TestCase::generateRandomNumber(int range)
+int TestCase::generateRandomNumber(int range)
 {
     return rand() % range;
 }
+
+}