diff --git a/src/osgText/shaders/text_greyscale_frag.cpp b/src/osgText/shaders/text_greyscale_frag.cpp
index 51738a2cf..cc1625bf7 100644
--- a/src/osgText/shaders/text_greyscale_frag.cpp
+++ b/src/osgText/shaders/text_greyscale_frag.cpp
@@ -1,5 +1,5 @@
 char text_greyscale_frag[] = "$OSG_GLSL_VERSION\n"
-                             "$OSG_GLSL_PRECISION_FLOAT\n"
+                             "$OSG_PRECISION_FLOAT\n"
                              "\n"
                              "#pragma import_defines( BACKDROP_COLOR, OUTLINE, ALPHA )\n"
                              "\n"
diff --git a/src/osgText/shaders/text_sdf_frag.cpp b/src/osgText/shaders/text_sdf_frag.cpp
index 379bcba46..d04362a0f 100644
--- a/src/osgText/shaders/text_sdf_frag.cpp
+++ b/src/osgText/shaders/text_sdf_frag.cpp
@@ -1,5 +1,5 @@
 char text_sdf_frag[] = "$OSG_GLSL_VERSION\n"
-                       "$OSG_GLSL_PRECISION_FLOAT\n"
+                       "$OSG_PRECISION_FLOAT\n"
                        "\n"
                        "#pragma import_defines( BACKDROP_COLOR, OUTLINE )\n"
                        "\n"
@@ -14,7 +14,7 @@ char text_sdf_frag[] = "$OSG_GLSL_VERSION\n"
                        "    #endif\n"
                        "#endif\n"
                        "\n"
-                       "#undef USE_SIGNED_DISTNACE_FIELD\n"
+                       "//#undef USE_SIGNED_DISTNACE_FIELD\n"
                        "\n"
                        "#if __VERSION__>=130\n"
                        "    #define TEXTURE texture\n"