diff --git a/i386-code16-boot-sector.json b/i386-code16-boot-sector.json
index 9cf5c514..3a13eb46 100644
--- a/i386-code16-boot-sector.json
+++ b/i386-code16-boot-sector.json
@@ -11,7 +11,7 @@
 	"position-independent-executables": false,
 	"disable-redzone": true,
 	"target-c-int-width": 32,
-	"target-pointer-width": "32",
+	"target-pointer-width": 32,
 	"target-endian": "little",
 	"panic-strategy": "abort",
 	"os": "none",
diff --git a/i386-code16-stage-2.json b/i386-code16-stage-2.json
index 9cf5c514..3a13eb46 100644
--- a/i386-code16-stage-2.json
+++ b/i386-code16-stage-2.json
@@ -11,7 +11,7 @@
 	"position-independent-executables": false,
 	"disable-redzone": true,
 	"target-c-int-width": 32,
-	"target-pointer-width": "32",
+	"target-pointer-width": 32,
 	"target-endian": "little",
 	"panic-strategy": "abort",
 	"os": "none",
diff --git a/i686-stage-3.json b/i686-stage-3.json
index 82fc22c6..ddc177d8 100644
--- a/i686-stage-3.json
+++ b/i686-stage-3.json
@@ -11,7 +11,7 @@
     "position-independent-executables": false,
     "disable-redzone": true,
     "target-c-int-width": 32,
-    "target-pointer-width": "32",
+    "target-pointer-width": 32,
     "target-endian": "little",
     "panic-strategy": "abort",
     "os": "none",
diff --git a/x86_64-stage-4.json b/x86_64-stage-4.json
index b2e7e997..a9fb47b8 100644
--- a/x86_64-stage-4.json
+++ b/x86_64-stage-4.json
@@ -16,7 +16,7 @@
         "kind": "call"
     },
     "static-position-independent-executables": true,
-    "target-pointer-width": "64",
+    "target-pointer-width": 64,
     "relocation-model": "static",
     "os": "none",
     "rustc-abi": "x86-softfloat"