diff --git a/debian/config/mips64r6/defines b/debian/config/mips64r6/defines
index 1952e1562f41..dc7f22c6b69a 100644
--- a/debian/config/mips64r6/defines
+++ b/debian/config/mips64r6/defines
@@ -5,6 +5,8 @@ kernel-arch: mips
 
 [build]
 image-file: vmlinux
+# linux-signed only works for architectures in the main archive
+signed-modules: false
 
 [image]
 install-stem: vmlinux
diff --git a/debian/config/mips64r6el/defines b/debian/config/mips64r6el/defines
index ac92b9b6d004..b60be330b27e 100644
--- a/debian/config/mips64r6el/defines
+++ b/debian/config/mips64r6el/defines
@@ -5,6 +5,8 @@ kernel-arch: mips
 
 [build]
 image-file: vmlinux
+# linux-signed only works for architectures in the main archive
+signed-modules: false
 
 [image]
 install-stem: vmlinux
diff --git a/debian/config/mipsr6/defines b/debian/config/mipsr6/defines
index 9f5a11dbb888..b945bdd3dbe3 100644
--- a/debian/config/mipsr6/defines
+++ b/debian/config/mipsr6/defines
@@ -6,6 +6,8 @@ kernel-arch: mips
 
 [build]
 image-file: vmlinux
+# linux-signed only works for architectures in the main archive
+signed-modules: false
 
 [image]
 install-stem: vmlinux
diff --git a/debian/config/mipsr6el/defines b/debian/config/mipsr6el/defines
index 257bc06ed611..f8e4aa49c9f5 100644
--- a/debian/config/mipsr6el/defines
+++ b/debian/config/mipsr6el/defines
@@ -6,6 +6,8 @@ kernel-arch: mips
 
 [build]
 image-file: vmlinux
+# linux-signed only works for architectures in the main archive
+signed-modules: false
 
 [image]
 install-stem: vmlinux