diff --git a/configure b/configure
index dd08b44c8..db07c6c19 100755
--- a/configure
+++ b/configure
@@ -345,6 +345,9 @@ public:
                 // Debug mode
                 if(!conf->getenv("QC_ENABLE_DEBUG").isEmpty()) {
                   conf->addExtra("CONFIG += debug");
+                } else {
+                  conf->addExtra("CONFIG -= debug");
+                  conf->addExtra("CONFIG += release");
                 }
                 #ifdef Q_OS_FREEBSD
                   conf->addLib("-lexecinfo");
diff --git a/qcm/qt4.qcm b/qcm/qt4.qcm
index 0d6998f59..8d769b923 100644
--- a/qcm/qt4.qcm
+++ b/qcm/qt4.qcm
@@ -20,6 +20,9 @@ public:
                 // Debug mode
                 if(!conf->getenv("QC_ENABLE_DEBUG").isEmpty()) {
                   conf->addExtra("CONFIG += debug");
+                } else {
+                  conf->addExtra("CONFIG -= debug");
+                  conf->addExtra("CONFIG += release");
                 }
                 #ifdef Q_OS_FREEBSD
                   conf->addLib("-lexecinfo");