diff --git a/lib/systems/parse.nix b/lib/systems/parse.nix
index 43e4473667d5008..8fb13af1f530fbf 100644
--- a/lib/systems/parse.nix
+++ b/lib/systems/parse.nix
@@ -91,10 +91,14 @@ rec {
     microblaze   = { bits = 32; significantByte = bigEndian;    family = "microblaze"; };
     microblazeel = { bits = 32; significantByte = littleEndian; family = "microblaze"; };
 
-    mips     = { bits = 32; significantByte = bigEndian;    family = "mips"; };
-    mipsel   = { bits = 32; significantByte = littleEndian; family = "mips"; };
-    mips64   = { bits = 64; significantByte = bigEndian;    family = "mips"; };
-    mips64el = { bits = 64; significantByte = littleEndian; family = "mips"; };
+    mips          = { bits = 32; significantByte = bigEndian;    family = "mips"; };
+    mipsel        = { bits = 32; significantByte = littleEndian; family = "mips"; };
+    mipsisa32r6   = { bits = 32; significantByte = bigEndian;    family = "mips"; };
+    mipsisa32r6el = { bits = 32; significantByte = littleEndian; family = "mips"; };
+    mips64        = { bits = 64; significantByte = bigEndian;    family = "mips"; };
+    mips64el      = { bits = 64; significantByte = littleEndian; family = "mips"; };
+    mipsisa64r6   = { bits = 64; significantByte = bigEndian;    family = "mips"; };
+    mipsisa64r6el = { bits = 64; significantByte = littleEndian; family = "mips"; };
 
     mmix     = { bits = 64; significantByte = bigEndian;    family = "mmix"; };