diff --git a/lapack/laswp/x86/Makefile b/lapack/laswp/x86/Makefile
index 2e9db4052..434c82a84 100644
--- a/lapack/laswp/x86/Makefile
+++ b/lapack/laswp/x86/Makefile
@@ -16,6 +16,11 @@ LASWP	= ../generic/laswp_k_1.c
 ZLASWP	= ../generic/zlaswp_k_1.c
 endif
 
+ifeq ($(DYNAMIC_ARCH), 1)
+LASWP	= ../generic/laswp_k_4.c
+ZLASWP	= ../generic/zlaswp_k_4.c
+endif
+
 ifndef LASWP
 LASWP	= ../generic/laswp_k.c
 endif
diff --git a/lapack/laswp/x86_64/Makefile b/lapack/laswp/x86_64/Makefile
index 17fb1f961..e6dae5344 100644
--- a/lapack/laswp/x86_64/Makefile
+++ b/lapack/laswp/x86_64/Makefile
@@ -21,6 +21,11 @@ LASWP	= ../generic/laswp_k_1.c
 ZLASWP	= ../generic/zlaswp_k_1.c
 endif
 
+ifeq ($(DYNAMIC_ARCH), 1)
+LASWP	= ../generic/laswp_k_4.c
+ZLASWP	= ../generic/zlaswp_k_4.c
+endif
+
 ifndef LASWP
 LASWP	= ../generic/laswp_k.c
 endif