diff --git a/rust-toolchain.nix b/rust-toolchain.nix
index 68319dbc..f6414838 100644
--- a/rust-toolchain.nix
+++ b/rust-toolchain.nix
@@ -14,7 +14,7 @@ rec {
     x86_64-w64-mingw32 = "x86_64-pc-windows-gnu";
     i686-w64-mingw32 = "i686-pc-windows-gnu";
     armv6l-unknown-linux-musleabihf = "arm-unknown-linux-musleabihf";
-    armv7l-unknown-linux-musleabihf = "arm7-unknown-linux-musleabihf";
+    armv7l-unknown-linux-musleabihf = "armv7-unknown-linux-musleabihf";
   }.${target} or target;
 
   fromTarget = { lib, targetSystem }: