1 files changed, 3 insertions, 3 deletions

diff --git a/libbb/appletlib.c b/libbb/appletlib.c
index 54be59f2d..97dfb3df8 100644
--- a/libbb/appletlib.c
+++ b/libbb/appletlib.c
@@ -781,7 +781,7 @@ static void install_links(const char *busybox, int use_symbolic_links,
         unsigned i;
         int rc;
 #  if ENABLE_PLATFORM_MINGW32
-        const char *sd = NULL;
+        const char *sd = "";
 
         if (custom_install_dir != NULL) {
                 bb_make_directory(custom_install_dir, 0755, FILEUTILS_RECUR);
@@ -789,7 +789,7 @@ static void install_links(const char *busybox, int use_symbolic_links,
         else {
                 sd = get_system_drive();
                 for (i=1; i<ARRAY_SIZE(install_dir); ++i) {
-                        fpc = xasprintf("%s%s", sd ?: "", install_dir[i]);
+                        fpc = concat_path_file(sd, install_dir[i]);
                         bb_make_directory(fpc, 0755, FILEUTILS_RECUR);
                         free(fpc);
                 }
@@ -802,7 +802,7 @@ static void install_links(const char *busybox, int use_symbolic_links,
 
         for (i = 0; i < ARRAY_SIZE(applet_main); i++) {
 #  if ENABLE_PLATFORM_MINGW32
-                fpc = xasprintf("%s%s/%s.exe", sd ?: "",
+                fpc = xasprintf("%s%s/%s.exe", sd,
                                 custom_install_dir ?: install_dir[APPLET_INSTALL_LOC(i)],
                                 appname);
 #  else