diff --git a/tools/i486-unknown-nuttx.json b/tools/i486-unknown-nuttx.json
index 93cd434185a..79f83e2413c 100644
--- a/tools/i486-unknown-nuttx.json
+++ b/tools/i486-unknown-nuttx.json
@@ -21,7 +21,7 @@
   "os": "nuttx",
   "position-independent-executables": false,
   "relro-level": "full",
-  "rustc-abi": "x86-softfloat",
+  "rustc-abi": "softfloat",
   "stack-probes": {
     "kind": "inline"
   },
diff --git a/tools/x86_64-unknown-nuttx.json b/tools/x86_64-unknown-nuttx.json
index d12fecb8a74..d7eacb31001 100644
--- a/tools/x86_64-unknown-nuttx.json
+++ b/tools/x86_64-unknown-nuttx.json
@@ -19,7 +19,7 @@
   "plt-by-default": false,
   "position-independent-executables": true,
   "relro-level": "full",
-  "rustc-abi": "x86-softfloat",
+  "rustc-abi": "softfloat",
   "stack-probes": {
     "kind": "inline"
   },