diff --git a/extra_fonts/binary_to_compressed_c.cpp b/extra_fonts/binary_to_compressed_c.cpp
index ee160a4..e373e69 100644
--- a/extra_fonts/binary_to_compressed_c.cpp
+++ b/extra_fonts/binary_to_compressed_c.cpp
@@ -53,8 +53,7 @@
         }
     }
 
-    binary_to_compressed_c(argv[argn], argv[argn+1], use_base85_encoding, use_compression);
-    return 1;
+    return binary_to_compressed_c(argv[argn], argv[argn+1], use_base85_encoding, use_compression) ? 0 : 1;
 }
 
 char Encode85Byte(unsigned int x)