diff --git a/fwbuilder3.pro b/fwbuilder3.pro
index 079944746..0cd6cc2bd 100644
--- a/fwbuilder3.pro
+++ b/fwbuilder3.pro
@@ -13,7 +13,7 @@ tests.commands = for directory in `find . -name unit_tests`; \
                     echo; \
                     echo "Running test in "$${DOLLAR}$${DOLLAR}directory; \
                     cd $${DOLLAR}$${DOLLAR}directory; \
-                    qmake; \
+                    qmake -spec $${DOLLAR}$${DOLLAR}QMAKESPEC; \
                     make run; \
                     cd $${DOLLAR}$${DOLLAR}home; \
                 done
diff --git a/src/gui/unit_tests/unit_tests.pro b/src/gui/unit_tests/unit_tests.pro
index c610e8041..12e6bee4b 100644
--- a/src/gui/unit_tests/unit_tests.pro
+++ b/src/gui/unit_tests/unit_tests.pro
@@ -5,7 +5,7 @@ run.commands = echo "Running tests..." && \
                do \
                     home=`pwd`; \
                     cd $${DOLLAR}$${DOLLAR}directory; \
-                    qmake; \
+                    qmake -spec $${DOLLAR}$${DOLLAR}QMAKESPEC; \
                     make run; \
                     cd $${DOLLAR}$${DOLLAR}home; \
                 done