1 files changed, 7 insertions, 3 deletions

diff --git a/libbb/appletlib.c b/libbb/appletlib.c
index 6a304ded3..ab1d48c31 100644
--- a/libbb/appletlib.c
+++ b/libbb/appletlib.c
@@ -827,9 +827,13 @@ int main(int argc UNUSED_PARAM, char **argv)
                         unsetenv("BUSYBOX_APPLET_NAME");
                 }
                 else {
-                        int len = strlen(applet_name);
-                        if (len > 4 && !strcmp(applet_name+len-4, ".exe"))
-                                argv[0][applet_name-argv[0]+len-4] = '\0';
+                        int i, len = strlen(applet_name);
+                        if (len > 4 && !strcmp(applet_name+len-4, ".exe")) {
+                                len -= 4;
+                                argv[0][applet_name-argv[0]+len] = '\0';
+                        }
+                        for (i = 0; i < len; i++)
+                                argv[0][applet_name-argv[0]+i] = tolower(applet_name[i]);
                 }
         }
         applet_name = bb_basename(applet_name);