diff --git a/polymer/eduke32/build/src/engine.c b/polymer/eduke32/build/src/engine.c
index a532d2583..699e2c8f6 100644
--- a/polymer/eduke32/build/src/engine.c
+++ b/polymer/eduke32/build/src/engine.c
@@ -9166,7 +9166,7 @@ int32_t initengine(void)
         return E_FatalError("Failed creating engine Lua state!");
 
     {
-        char *luastr = "_LUNATIC_AUX=true; decl=require('ffi').cdef; require'defs_common'";
+        static char const * const luastr = "_LUNATIC_AUX=true; decl=require('ffi').cdef; require'defs_common'";
 
         if (L_RunString(&g_engState, luastr, -1, "eng"))
             return E_FatalError("Failed setting up engine Lua state");
diff --git a/polymer/eduke32/source/astub.c b/polymer/eduke32/source/astub.c
index b2ff0c50e..11b463a0f 100644
--- a/polymer/eduke32/source/astub.c
+++ b/polymer/eduke32/source/astub.c
@@ -7999,7 +7999,7 @@ extern char forcegl;
 #endif
 
 #ifdef LUNATIC
-const char **g_argv;
+char const * const * g_argv;
 #endif
 
 static void G_CheckCommandLine(int32_t argc, char const * const * argv)
diff --git a/polymer/eduke32/source/game.c b/polymer/eduke32/source/game.c
index d7538cf30..b470e59f6 100644
--- a/polymer/eduke32/source/game.c
+++ b/polymer/eduke32/source/game.c
@@ -9852,7 +9852,7 @@ int32_t loaddefinitions_game(const char *fn, int32_t preload)
 }
 
 #ifdef LUNATIC
-const char **g_argv;
+char const * const * g_argv;
 const char **g_elModules;
 #endif