diff --git a/libstdoutisatty.c b/libstdoutisatty.c
index 0516cdd..a5f4762 100644
--- a/libstdoutisatty.c
+++ b/libstdoutisatty.c
@@ -43,7 +43,7 @@ __attribute__ ((constructor)) static void setup(void) {
   void *libhdl;
   char *dlerr;
 
-  if (!(libhdl=dlopen("libc.so.6", RTLD_LAZY)))
+  if (!(libhdl=dlopen("libc.so", RTLD_LAZY)))
     die("Failed to patch library calls: %s", dlerror());
 
   orig_isatty = dlsym(libhdl, "isatty");