diff --git a/doomsday/libdeng2/libdeng2.pro b/doomsday/libdeng2/libdeng2.pro
index 9d8858f243..09e0417610 100644
--- a/doomsday/libdeng2/libdeng2.pro
+++ b/doomsday/libdeng2/libdeng2.pro
@@ -26,6 +26,10 @@ DEFINES += LIBDENG2_VERSION=\\\"$${LIBDENG2_MAJOR_VERSION}.$${LIBDENG2_MINOR_VER
 
 DEFINES += __DENG2__
 
+!isEmpty(DENG_BUILD) {
+    DEFINES += LIBDENG2_BUILD_TEXT=\\\"$$DENG_BUILD\\\"
+}
+
 # Using Qt.
 QT += core network
 
diff --git a/doomsday/libdeng2/src/version.cpp b/doomsday/libdeng2/src/version.cpp
index 0b8219000a..655224590f 100644
--- a/doomsday/libdeng2/src/version.cpp
+++ b/doomsday/libdeng2/src/version.cpp
@@ -31,8 +31,8 @@ Version::Version() : build(Time().asBuildNumber())
     minor = LIBDENG2_MINOR_VERSION;
     patch = LIBDENG2_PATCHLEVEL;
 
-#ifdef DOOMSDAY_BUILD_TEXT
-    build = String(DOOMSDAY_BUILD_TEXT).toInt();
+#ifdef LIBDENG2_BUILD_TEXT
+    build = String(LIBDENG2_BUILD_TEXT).toInt();
 #endif
 
     label = LIBDENG2_RELEASE_LABEL;