diff --git a/indra/cmake/GLEXT.cmake b/indra/cmake/GLEXT.cmake
index 2a08c8fbaeb5890f50ca288d29ee6bd68852ab72..9fd3923bfd9b2448a4edd171a7cf299b43d24127 100644
--- a/indra/cmake/GLEXT.cmake
+++ b/indra/cmake/GLEXT.cmake
@@ -5,6 +5,6 @@ if (NOT USESYSTEMLIBS)
   if (WINDOWS OR LINUX)
     use_prebuilt_binary(glext)
   endif (WINDOWS OR LINUX)
-  use_prebuilt_binary(glh-linear)
+  use_prebuilt_binary(glh_linear)
   set(GLEXT_INCLUDE_DIR ${LIBS_PREBUILT_DIR}/include)
 endif (NOT USESYSTEMLIBS)
diff --git a/indra/cmake/GLH.cmake b/indra/cmake/GLH.cmake
index d0992f57b8217ef3eb12a8908705eb7995a5e768..d5262f2efa79acafca6fa6661a2bd81d6dcbbdd1 100644
--- a/indra/cmake/GLH.cmake
+++ b/indra/cmake/GLH.cmake
@@ -7,5 +7,5 @@ set(GLH_FIND_QUIETLY TRUE)
 if (USESYSTEMLIBS)
   include(FindGLH)
 else (USESYSTEMLIBS)
-  use_prebuilt_binary(glh-linear)
+  use_prebuilt_binary(glh_linear)
 endif (USESYSTEMLIBS)