diff --git a/interface/lapack/potri.c b/interface/lapack/potri.c
index d6230621f..88e121594 100644
--- a/interface/lapack/potri.c
+++ b/interface/lapack/potri.c
@@ -121,7 +121,7 @@ int NAME(char *UPLO, blasint *N, FLOAT *a, blasint *ldA, blasint *Info){
 
 #ifdef SMP
   args.common = NULL;
-  args.nthreads = num_cpu_avail(4);
+  args.nthreads = num_cpu_avail();
 
   if (args.nthreads == 1) {
 #endif
diff --git a/interface/lapack/zpotri.c b/interface/lapack/zpotri.c
index 7c72a7e62..238748723 100644
--- a/interface/lapack/zpotri.c
+++ b/interface/lapack/zpotri.c
@@ -120,7 +120,7 @@ int NAME(char *UPLO, blasint *N, FLOAT *a, blasint *ldA, blasint *Info){
 #endif
 
 #ifdef SMP
-  args.nthreads = num_cpu_avail(4);
+  args.nthreads = num_cpu_avail();
 
   if (args.nthreads == 1) {
 #endif