diff --git a/camelot/backends/ghostscript_backend.py b/camelot/backends/ghostscript_backend.py
index 1de7da19..107b5ba2 100644
--- a/camelot/backends/ghostscript_backend.py
+++ b/camelot/backends/ghostscript_backend.py
@@ -11,9 +11,10 @@ def installed_posix():
 
 
 def installed_windows():
-    library = find_library(
-        "".join(("gsdll", str(ctypes.sizeof(ctypes.c_voidp) * 8), ".dll"))
-    )
+    try:
+        library = ctypes.WinDLL('gsdll')
+    except FileNotFoundError:
+        library = ctypes.WinDLL('gsdll64')
     return library is not None