diff --git a/docs/runtime_variables.md b/docs/runtime_variables.md
index d1b6ac4239..96e67bbfb3 100644
--- a/docs/runtime_variables.md
+++ b/docs/runtime_variables.md
@@ -3,7 +3,7 @@ OpenBLAS checks the following environment variables on startup:
 * `OPENBLAS_NUM_THREADS`: the number of threads to use (for non-OpenMP builds
   of OpenBLAS)
 * `OMP_NUM_THREADS`: the number of threads to use (for OpenMP builds - note
-  that setting this may also affect any other OpenMP code)
+  that setting this may also affect any other OpenMP code and non-OpenMP builds)
 * `OPENBLAS_DEFAULT_NUM_THREADS`: the number of threads to use, irrespective if
   OpenBLAS was built for OpenMP or pthreads
 
diff --git a/driver/others/memory.c b/driver/others/memory.c
index 8e24773841..9022e223bd 100644
--- a/driver/others/memory.c
+++ b/driver/others/memory.c
@@ -464,7 +464,7 @@ int blas_get_cpu_number(void){
 #endif
 
   // blas_goto_num = 0;
-#ifndef USE_OPENMP_UNUSED
+#ifndef USE_OPENMP
   blas_goto_num=openblas_num_threads_env();
   if (blas_goto_num < 0) blas_goto_num = 0;