diff --git a/libraries/pbrlib/genglsl/lib/mx39_microfacet.glsl b/libraries/pbrlib/genglsl/lib/mx39_microfacet.glsl
index befa82b413..5637f388a0 100644
--- a/libraries/pbrlib/genglsl/lib/mx39_microfacet.glsl
+++ b/libraries/pbrlib/genglsl/lib/mx39_microfacet.glsl
@@ -1,4 +1,4 @@
-#include "libraries/pbrlib/genglsl/lib/mx_microfacet.glsl"
+#include "mx_microfacet.glsl"
 
 float mx39_pow6(float x)
 {
diff --git a/libraries/pbrlib/genglsl/lib/mx39_microfacet_diffuse.glsl b/libraries/pbrlib/genglsl/lib/mx39_microfacet_diffuse.glsl
index e55ed70229..c7ef22b78a 100644
--- a/libraries/pbrlib/genglsl/lib/mx39_microfacet_diffuse.glsl
+++ b/libraries/pbrlib/genglsl/lib/mx39_microfacet_diffuse.glsl
@@ -1,5 +1,5 @@
 #include "mx39_microfacet.glsl"
-#include "libraries/pbrlib/genglsl/lib/mx_microfacet_diffuse.glsl"
+#include "mx_microfacet_diffuse.glsl"
 
 const float FUJII_CONSTANT_1 = 0.5 - 2.0 / (3.0 * M_PI);
 const float FUJII_CONSTANT_2 = 2.0 / 3.0 - 28.0 / (15.0 * M_PI);
diff --git a/libraries/pbrlib/genglsl/lib/mx39_microfacet_sheen.glsl b/libraries/pbrlib/genglsl/lib/mx39_microfacet_sheen.glsl
index f14079aa72..a03803d4a7 100644
--- a/libraries/pbrlib/genglsl/lib/mx39_microfacet_sheen.glsl
+++ b/libraries/pbrlib/genglsl/lib/mx39_microfacet_sheen.glsl
@@ -1,5 +1,5 @@
 #include "mx39_microfacet.glsl"
-#include "libraries/pbrlib/genglsl/lib/mx_microfacet_sheen.glsl"
+#include "mx_microfacet_sheen.glsl"
 
 // The following functions are adapted from https://github.com/tizian/ltc-sheen.
 // "Practical Multiple-Scattering Sheen Using Linearly Transformed Cosines", Zeltner et al.
diff --git a/libraries/pbrlib/genglsl/lib/mx39_microfacet_specular.glsl b/libraries/pbrlib/genglsl/lib/mx39_microfacet_specular.glsl
index 03fb671b17..fa4badc7e5 100644
--- a/libraries/pbrlib/genglsl/lib/mx39_microfacet_specular.glsl
+++ b/libraries/pbrlib/genglsl/lib/mx39_microfacet_specular.glsl
@@ -1,5 +1,5 @@
 #include "mx39_microfacet.glsl"
-#include "libraries/pbrlib/genglsl/lib/mx_microfacet_specular.glsl"
+#include "mx_microfacet_specular.glsl"
 
 const int MX39_FRESNEL_MODEL_DIELECTRIC = 0;
 const int MX39_FRESNEL_MODEL_CONDUCTOR = 1;