diff --git a/build.cfg b/build.cfg
index d7679b79..a335f6cf 100755
--- a/build.cfg
+++ b/build.cfg
@@ -24,3 +24,6 @@ BUILD_IQMTOOL=1
 
 # Build the imgtool which analysis images and compresses them for GPUs
 BUILD_IMGTOOL=1
+
+# Specify which engine revision to build, these are considered 'stable'
+BUILD_ENGINEREVISION=5997
diff --git a/build_engine.sh b/build_engine.sh
index 928e7e4e..5bbd4aba 100755
--- a/build_engine.sh
+++ b/build_engine.sh
@@ -61,12 +61,12 @@ mkdir -p ./bin
 if [ -f "$FTE_MAKEFILE" ]; then
 	printf "Engine is present, updating...\n"
 	cd ./src/engine/
-	svn up
+	svn -r $BUILD_ENGINEREVISION up
 	cd ./engine
 else
 	printf "Engine is NOT present, cloning...\n"
 	cd ./src/
-	svn checkout https://svn.code.sf.net/p/fteqw/code/trunk engine
+	svn -r $BUILD_ENGINEREVISION checkout https://svn.code.sf.net/p/fteqw/code/trunk engine
 	cd ./engine/engine
 fi