diff --git a/interface/trtri.c b/interface/trtri.c
index 0564bc183..71680e87d 100644
--- a/interface/trtri.c
+++ b/interface/trtri.c
@@ -138,6 +138,9 @@ int NAME(char *UPLO, char *DIAG, blasint *N, FLOAT *a, blasint *ldA, blasint *In
     // call dtrtri from lapack for a walk around.
     if(uplo==0){
       dtrtri_lapack_(UPLO, DIAG, N, a, ldA, Info);
+#ifndef PPC440
+      blas_memory_free(buffer);
+#endif
       return 0;
     }
 #endif