diff --git a/selfdrive/common/i2c.cc b/selfdrive/common/i2c.cc
index a37b144dc2..95d0aedd5e 100644
--- a/selfdrive/common/i2c.cc
+++ b/selfdrive/common/i2c.cc
@@ -12,7 +12,10 @@
 
 #ifdef QCOM2
 // TODO: decide if we want to isntall libi2c-dev everywhere
-#include <linux/i2c-dev.h>
+extern "C" {
+  #include <linux/i2c-dev.h>
+  #include <i2c/smbus.h>
+}
 
 I2CBus::I2CBus(uint8_t bus_id){
   char bus_name[20];
diff --git a/selfdrive/sensord/SConscript b/selfdrive/sensord/SConscript
index facbf6403a..01b0eec844 100644
--- a/selfdrive/sensord/SConscript
+++ b/selfdrive/sensord/SConscript
@@ -17,4 +17,7 @@ else:
     'sensors/lsm6ds3_gyro.cc',
     'sensors/lsm6ds3_temp.cc',
   ]
-  env.Program('_sensord', ['sensors_qcom2.cc'] + sensors, LIBS=[common, cereal, messaging, 'capnp', 'zmq', 'kj'])
+  libs = [common, cereal, messaging, 'capnp', 'zmq', 'kj']
+  if arch == "larch64":
+    libs.append('i2c')
+  env.Program('_sensord', ['sensors_qcom2.cc'] + sensors, LIBS=libs)
diff --git a/selfdrive/ui/SConscript b/selfdrive/ui/SConscript
index 808d2094f0..ca60133265 100644
--- a/selfdrive/ui/SConscript
+++ b/selfdrive/ui/SConscript
@@ -27,6 +27,7 @@ if arch in ["x86_64", "Darwin", "larch64"]:
       f"/usr/include/{real_arch}-linux-gnu/qt5/QtDBus",
       f"/usr/include/{real_arch}-linux-gnu/qt5/QtMultimedia",
       f"/usr/include/{real_arch}-linux-gnu/qt5/QtGui/5.5.1/QtGui",
+      f"/usr/include/{real_arch}-linux-gnu/qt5/QtGui/5.12.8/QtGui",
     ]
 
   qt_env.Tool('qt')