diff --git a/gnu/packages/lisp.scm b/gnu/packages/lisp.scm
index 296ed6b5f2..a7e06dd34c 100644
--- a/gnu/packages/lisp.scm
+++ b/gnu/packages/lisp.scm
@@ -447,7 +447,7 @@ (define-public sbcl
         '(begin
            ;; Don't force ARMv5.
            (substitute* "src/runtime/Config.arm-linux"
-             (("-march=armv5") ""))))))
+             (("-march=armv5t") ""))))))
     (build-system gnu-build-system)
     (outputs '("out" "doc"))
     (native-inputs