diff --git a/tidepool/src/packages/foundation/gcc/default.nix b/tidepool/src/packages/foundation/gcc/default.nix
index 98f9ae6..4fcc225 100644
--- a/tidepool/src/packages/foundation/gcc/default.nix
+++ b/tidepool/src/packages/foundation/gcc/default.nix
@@ -158,9 +158,7 @@ in
 
                 configure = lib.dag.entry.between [ "build" ] [ "patch" ] ''
                   # Configure
-                  export CC="gcc -Wl,-dynamic-linker -march=${
-                    host.gcc.arch or host.system.cpu.family
-                  } ${mbits} -Wl,${foundation.stage1-musl}/lib/libc.so"
+                  export CC="gcc -Wl,-dynamic-linker -Wl,${foundation.stage1-musl}/lib/libc.so"
                   export CXX="g++ -Wl,-dynamic-linker -Wl,${foundation.stage1-musl}/lib/libc.so"
                   export CFLAGS_FOR_TARGET="-Wl,-dynamic-linker -Wl,${foundation.stage1-musl}/lib/libc.so"
                   export LIBRARY_PATH="${foundation.stage1-musl}/lib"