diff --git a/deps/premake/libtomcrypt.lua b/deps/premake/libtomcrypt.lua
index 6c6f28d1..cd95c554 100644
--- a/deps/premake/libtomcrypt.lua
+++ b/deps/premake/libtomcrypt.lua
@@ -19,6 +19,7 @@ function libtomcrypt.includes()
 		"LTC_NO_FAST",
 		"LTC_NO_PROTOTYPES",
 		"LTC_NO_RSA_BLINDING",
+		"ARGTYPE=4",
 	}
 end
 
diff --git a/deps/premake/libtommath.lua b/deps/premake/libtommath.lua
index ab4cdde3..2fcfda28 100644
--- a/deps/premake/libtommath.lua
+++ b/deps/premake/libtommath.lua
@@ -19,6 +19,7 @@ function libtommath.includes()
 		"LTM_DESC",
 		"__STDC_IEC_559__",
 		"MP_NO_DEV_URANDOM",
+		"ARGTYPE=4",
 	}
 end