diff --git a/cmake/modules/FindGLEW.cmake b/cmake/modules/FindGLEW.cmake
index b1b5eb2c66..b27be07110 100644
--- a/cmake/modules/FindGLEW.cmake
+++ b/cmake/modules/FindGLEW.cmake
@@ -85,7 +85,9 @@ if (${CMAKE_HOST_UNIX})
             GLEW glew
         HINTS
             "${GLEW_LOCATION}/lib"
+            "${GLEW_LOCATION}/lib64"
             "$ENV{GLEW_LOCATION}/lib"
+            "$ENV{GLEW_LOCATION}/lib64"
         PATHS
             "${GLEW_LOCATION}/lib"
             /usr/lib64
diff --git a/cmake/modules/FindPTex.cmake b/cmake/modules/FindPTex.cmake
index 22c8c298c7..56fd51db20 100644
--- a/cmake/modules/FindPTex.cmake
+++ b/cmake/modules/FindPTex.cmake
@@ -64,8 +64,10 @@ else ()
             Ptexture.h
         HINTS
             "${PTEX_LOCATION}/include"
+            "${PTEX_LOCATION}/include/Ptex"
             "${PTEX_LOCATION}/include/wdas"
             "$ENV{PTEX_LOCATION}/include"
+            "$ENV{PTEX_LOCATION}/include/Ptex"
             "$ENV{PTEX_LOCATION}/include/wdas"
         PATHS
             /usr/include
@@ -132,4 +134,4 @@ endif(PTEX_FOUND)
 mark_as_advanced(
   PTEX_INCLUDE_DIR
   PTEX_LIBRARY
-)
\ No newline at end of file
+)