diff --git a/src/mesa/main/shaderapi.c b/src/mesa/main/shaderapi.c
index 2c5f2a147ce..451735faf76 100644
--- a/src/mesa/main/shaderapi.c
+++ b/src/mesa/main/shaderapi.c
@@ -1029,6 +1029,7 @@ static GLboolean
 validate_samplers(const struct gl_program *prog, char *errMsg)
 {
    static const char *targetName[] = {
+      "TEXTURE_BUFFER",
       "TEXTURE_2D_ARRAY",
       "TEXTURE_1D_ARRAY",
       "TEXTURE_CUBE",