diff --git a/src/ua-parser.js b/src/ua-parser.js
index d469a49..1bccc17 100755
--- a/src/ua-parser.js
+++ b/src/ua-parser.js
@@ -374,10 +374,8 @@
             /(?:(amd|x(?:(?:86|64)[-_])?|wow|win)64)[;\)]/i                     // AMD64 (x64)
             ], [[ARCHITECTURE, 'amd64']], [
 
-            /(ia32(?=;))/i                                                      // IA32 (quicktime)
-            ], [[ARCHITECTURE, lowerize]], [
-
-            /((?:i[346]|x)86)[;\)]/i                                            // IA32 (x86)
+            /(ia32(?=;))/i,                                                     // IA32 (quicktime)
+            /\b((i[346]|x)86)(pc)?\b/i                                          // IA32 (x86)
             ], [[ARCHITECTURE, 'ia32']], [
 
             /\b(aarch64|arm(v?8e?l?|_?64))\b/i                                 // ARM64
diff --git a/test/cpu-test.json b/test/cpu-test.json
index c3325b6..2e3da2c 100644
--- a/test/cpu-test.json
+++ b/test/cpu-test.json
@@ -246,5 +246,21 @@
         {
             "architecture"  : "irix64"
         }
+    },
+    {
+        "desc"    : "68k",
+        "ua"      : "'Mozilla/1.1 (Macintosh; U; 68K)'",
+        "expect"  : 
+        {
+            "architecture"  : "68k"
+        }
+    },
+    {
+        "desc"    : "x86",
+        "ua"      : "Mozilla/5.0 (Photon; U; QNX x86pc; en-US; rv:1.8.1.20) Gecko/20090127 BonEcho/2.0.0.20",
+        "expect"  : 
+        {
+            "architecture"  : "ia32"
+        }
     }
 ]