diff --git a/dev-lang/rust/rust-1.10.0.recipe b/dev-lang/rust/rust-1.10.0.recipe
index 2cf5bd28a..7a4f1bbae 100644
--- a/dev-lang/rust/rust-1.10.0.recipe
+++ b/dev-lang/rust/rust-1.10.0.recipe
@@ -25,7 +25,7 @@ CHECKSUM_SHA256_6="5996751d47d363932fb130dba61257e6ed7efc439bcac0244e4d9768c6b31
 SOURCE_DIR="rust-$srcGitRev"
 REVISION="1"
 ARCHITECTURES="!x86_gcc2 ?x86 ?x86_64"
-SECONDARY_ARCHITECTURES="x86"
+SECONDARY_ARCHITECTURES="?x86"
 
 PROVIDES="
 	rust$secondaryArchSuffix = $portVersion
diff --git a/dev-lang/rust/rust-1.11.0.recipe b/dev-lang/rust/rust-1.11.0.recipe
index c1beb98f0..80ecd26c1 100644
--- a/dev-lang/rust/rust-1.11.0.recipe
+++ b/dev-lang/rust/rust-1.11.0.recipe
@@ -25,7 +25,7 @@ CHECKSUM_SHA256_6="73bc1a426052e50bdbc3803b579c647db5fe2cae10e17dd102ccaa5a6530e
 SOURCE_DIR="rust-$srcGitRev"
 REVISION="1"
 ARCHITECTURES="!x86_gcc2 ?x86 ?x86_64"
-SECONDARY_ARCHITECTURES="x86"
+SECONDARY_ARCHITECTURES="?x86"
 
 PROVIDES="
 	rust$secondaryArchSuffix = $portVersion
diff --git a/dev-lang/rust/rust-1.12.1.recipe b/dev-lang/rust/rust-1.12.1.recipe
index fa97f48af..766bab81c 100644
--- a/dev-lang/rust/rust-1.12.1.recipe
+++ b/dev-lang/rust/rust-1.12.1.recipe
@@ -25,7 +25,7 @@ CHECKSUM_SHA256_6="57638407e7713018e5cd4c0de29b52e976ddb248db122c13d6ded89f5f324
 SOURCE_DIR="rust-$srcGitRev"
 REVISION="1"
 ARCHITECTURES="!x86_gcc2 ?x86 ?x86_64"
-SECONDARY_ARCHITECTURES="x86"
+SECONDARY_ARCHITECTURES="?x86"
 
 PROVIDES="
 	rust$secondaryArchSuffix = $portVersion