diff --git a/dependencies/tool_metadata.yml b/dependencies/tool_metadata.yml
index e8048f360..f340f8a81 100644
--- a/dependencies/tool_metadata.yml
+++ b/dependencies/tool_metadata.yml
@@ -56,7 +56,7 @@
   in_install: false
 - name: openroad_app
   repo: https://github.com/The-OpenROAD-Project/OpenROAD
-  commit: 0a6d0fd469bc674417036342994520ee2e0a2727
+  commit: bdc8e944cd08ba8edebeca19fa531bd026690330
   in_install: false
 - name: git
   repo: https://github.com/git/git
diff --git a/docker/build_base/Dockerfile b/docker/build_base/Dockerfile
index 709716034..5a94c2c52 100644
--- a/docker/build_base/Dockerfile
+++ b/docker/build_base/Dockerfile
@@ -30,6 +30,14 @@ RUN alternatives --install /usr/bin/python3 python3 /usr/bin/python3.6 60
 RUN git config --global user.name "OpenLane User"
 RUN git config --global user.email "openlane.user@localhost"
 
+ENV CC=/opt/rh/devtoolset-8/root/usr/bin/gcc \
+    CPP=/opt/rh/devtoolset-8/root/usr/bin/cpp \
+    CXX=/opt/rh/devtoolset-8/root/usr/bin/g++ \
+    PATH=/opt/rh/devtoolset-8/root/usr/bin:$PATH \
+    LD_LIBRARY_PATH=/opt/rh/devtoolset-8/root/usr/lib64:/opt/rh/devtoolset-8/root/usr/lib:/opt/rh/devtoolset-8/root/usr/lib64/dyninst:/opt/rh/devtoolset-8/root/usr/lib/dyninst:/opt/rh/devtoolset-8/root/usr/lib64:/opt/rh/devtoolset-8/root/usr/lib:$LD_LIBRARY_PATH
+
+ENV LD_LIBRARY_PATH=/opt/rh/llvm-toolset-7.0/root/usr/lib64:/opt/rh/llvm-toolset-7.0/root/usr/lib:/opt/rh/llvm-toolset-7.0/root/usr/lib64/dyninst:/opt/rh/llvm-toolset-7.0/root/usr/lib/dyninst:/opt/rh/llvm-toolset-7.0/root/usr/lib64:/opt/rh/llvm-toolset-7.0/root/usr/lib:$LD_LIBRARY_PATH
+
 # Install Python Dependencies
 ## Wheel Build Dependencies
 RUN python3 -m pip install --no-cache-dir --upgrade pip
@@ -42,10 +50,3 @@ RUN python3 -m pip install --no-cache-dir -r /pip_dependencies.txt
 RUN yum update -y ca-certificates
 
 # Environment Configuration
-ENV CC=/opt/rh/devtoolset-8/root/usr/bin/gcc \
-    CPP=/opt/rh/devtoolset-8/root/usr/bin/cpp \
-    CXX=/opt/rh/devtoolset-8/root/usr/bin/g++ \
-    PATH=/opt/rh/devtoolset-8/root/usr/bin:$PATH \
-    LD_LIBRARY_PATH=/opt/rh/devtoolset-8/root/usr/lib64:/opt/rh/devtoolset-8/root/usr/lib:/opt/rh/devtoolset-8/root/usr/lib64/dyninst:/opt/rh/devtoolset-8/root/usr/lib/dyninst:/opt/rh/devtoolset-8/root/usr/lib64:/opt/rh/devtoolset-8/root/usr/lib:$LD_LIBRARY_PATH
-
-ENV LD_LIBRARY_PATH=/opt/rh/llvm-toolset-7.0/root/usr/lib64:/opt/rh/llvm-toolset-7.0/root/usr/lib:/opt/rh/llvm-toolset-7.0/root/usr/lib64/dyninst:/opt/rh/llvm-toolset-7.0/root/usr/lib/dyninst:/opt/rh/llvm-toolset-7.0/root/usr/lib64:/opt/rh/llvm-toolset-7.0/root/usr/lib:$LD_LIBRARY_PATH
diff --git a/scripts/openroad/droute.tcl b/scripts/openroad/droute.tcl
index ee2fd9e68..c5d3a084f 100755
--- a/scripts/openroad/droute.tcl
+++ b/scripts/openroad/droute.tcl
@@ -26,7 +26,9 @@ if { [info exists ::env(DRT_MAX_LAYER)] } {
     set max_layer $::env(DRT_MAX_LAYER)
 }
 
-read_guides $::env(CURRENT_GUIDE)
+if { [info exists ::env(IO_READ_DEF)] && $::env(IO_READ_DEF) } {
+    read_guides $::env(CURRENT_GUIDE)
+}
 
 detailed_route\
     -bottom_routing_layer $min_layer\
@@ -37,4 +39,4 @@ detailed_route\
     -or_seed 42\
     -verbose 1
 
-write
\ No newline at end of file
+write