diff --git a/src/cmp/cmpmain.lsp b/src/cmp/cmpmain.lsp
index 595cb00c5..90aca79e1 100644
--- a/src/cmp/cmpmain.lsp
+++ b/src/cmp/cmpmain.lsp
@@ -320,7 +320,7 @@ static cl_object VV[VM];
        (unwind-protect
          (progn
            (with-open-file (f "static_lib.tmp" :direction :output :if-does-not-exist :create :if-exists :supersede)
-             (format f "/DEBUGTYPE:CV /OUT:~A ~A ~{\"~&~A\"~}"
+             (format f "/DEBUGTYPE:CV /OUT:~A ~A ~{~&\"~A\"~}"
                      output-name o-name ld-flags))
            (safe-system "link -lib @static_lib.tmp"))
          (when (probe-file "static_lib.tmp")
diff --git a/src/compile.lsp.in b/src/compile.lsp.in
index 4df52de9c..c16b39bfc 100644
--- a/src/compile.lsp.in
+++ b/src/compile.lsp.in
@@ -68,7 +68,7 @@
 ;;;
 (setq si::*keep-documentation* nil)
 (proclaim '(optimize (safety 2) (space 3)))
-(let* ((c::*cc-flags* (concatenate 'string "-I@true_builddir@/c " c::*cc-flags*))
+(let* ((c::*cc-flags* (concatenate 'string "-I\"@true_builddir@/c\" " c::*cc-flags*))
        (lsp-objects (compile-if-old "build:lsp;" +lisp-module-files+
 				    :system-p t :c-file t :data-file t :h-file t
 				    ;;:shared-data-file "build:ecl.sdat"