diff --git a/main.c b/main.c
index 348e3c3..84c12bc 100644
--- a/main.c
+++ b/main.c
@@ -17,36 +17,37 @@
 #include "pkg.h"
 #include "bsdstubs.h"
 
-#define PKG_CFLAGS_ONLY_I		(1<<2)
-#define PKG_CFLAGS_ONLY_OTHER		(1<<3)
-#define PKG_CFLAGS			(PKG_CFLAGS_ONLY_I|PKG_CFLAGS_ONLY_OTHER)
-#define PKG_LIBS_ONLY_LDPATH		(1<<5)
-#define PKG_LIBS_ONLY_LIBNAME		(1<<6)
-#define PKG_LIBS_ONLY_OTHER		(1<<7)
-#define PKG_LIBS			(PKG_LIBS_ONLY_LDPATH|PKG_LIBS_ONLY_LIBNAME|PKG_LIBS_ONLY_OTHER)
-#define PKG_MODVERSION			(1<<8)
-#define PKG_REQUIRES			(1<<9)
-#define PKG_REQUIRES_PRIVATE		(1<<10)
-#define PKG_VARIABLES			(1<<11)
-#define PKG_DIGRAPH			(1<<12)
-#define PKG_KEEP_SYSTEM_CFLAGS		(1<<13)
-#define PKG_KEEP_SYSTEM_LIBS		(1<<14)
-#define PKG_VERSION			(1<<15)
-#define PKG_ABOUT			(1<<16)
-#define PKG_ENV_ONLY			(1<<17)
-#define PKG_ERRORS_ON_STDOUT		(1<<18)
-#define PKG_SILENCE_ERRORS		(1<<19)
-#define PKG_IGNORE_CONFLICTS		(1<<20)
-#define PKG_STATIC			(1<<21)
-#define PKG_NO_UNINSTALLED		(1<<22)
-#define PKG_UNINSTALLED			(1<<23)
-#define PKG_LIST			(1<<24)
-#define PKG_HELP			(1<<25)
-#define PKG_PRINT_ERRORS		(1<<26)
-#define PKG_SIMULATE			(1<<27)
-#define PKG_NO_CACHE			(1<<28)
-#define PKG_PROVIDES			(1<<29)
-#define PKG_VALIDATE			(1<<30)
+#define PKG_CFLAGS_ONLY_I		(uint64_t)(1<<2)
+#define PKG_CFLAGS_ONLY_OTHER		(uint64_t)(1<<3)
+#define PKG_CFLAGS			(uint64_t)(PKG_CFLAGS_ONLY_I|PKG_CFLAGS_ONLY_OTHER)
+#define PKG_LIBS_ONLY_LDPATH		(uint64_t)(1<<5)
+#define PKG_LIBS_ONLY_LIBNAME		(uint64_t)(1<<6)
+#define PKG_LIBS_ONLY_OTHER		(uint64_t)(1<<7)
+#define PKG_LIBS			(uint64_t)(PKG_LIBS_ONLY_LDPATH|PKG_LIBS_ONLY_LIBNAME|PKG_LIBS_ONLY_OTHER)
+#define PKG_MODVERSION			(uint64_t)(1<<8)
+#define PKG_REQUIRES			(uint64_t)(1<<9)
+#define PKG_REQUIRES_PRIVATE		(uint64_t)(1<<10)
+#define PKG_VARIABLES			(uint64_t)(1<<11)
+#define PKG_DIGRAPH			(uint64_t)(1<<12)
+#define PKG_KEEP_SYSTEM_CFLAGS		(uint64_t)(1<<13)
+#define PKG_KEEP_SYSTEM_LIBS		(uint64_t)(1<<14)
+#define PKG_VERSION			(uint64_t)(1<<15)
+#define PKG_ABOUT			(uint64_t)(1<<16)
+#define PKG_ENV_ONLY			(uint64_t)(1<<17)
+#define PKG_ERRORS_ON_STDOUT		(uint64_t)(1<<18)
+#define PKG_SILENCE_ERRORS		(uint64_t)(1<<19)
+#define PKG_IGNORE_CONFLICTS		(uint64_t)(1<<20)
+#define PKG_STATIC			(uint64_t)(1<<21)
+#define PKG_NO_UNINSTALLED		(uint64_t)(1<<22)
+#define PKG_UNINSTALLED			(uint64_t)(1<<23)
+#define PKG_LIST			(uint64_t)(1<<24)
+#define PKG_HELP			(uint64_t)(1<<25)
+#define PKG_PRINT_ERRORS		(uint64_t)(1<<26)
+#define PKG_SIMULATE			(uint64_t)(1<<27)
+#define PKG_NO_CACHE			(uint64_t)(1<<28)
+#define PKG_PROVIDES			(uint64_t)(1<<29)
+#define PKG_VALIDATE			(uint64_t)(1<<30)
+#define PKG_LIST_PACKAGE_NAMES		(uint64_t)(1<<31)
 
 static unsigned int global_traverse_flags = PKGF_NONE;