diff --git a/src/cpu.cpp b/src/cpu.cpp
index ed4eabb..d9fd212 100644
--- a/src/cpu.cpp
+++ b/src/cpu.cpp
@@ -108,7 +108,7 @@
     {
         if (charBits.test(index))
         {
-            if (cap = characteristicsTable[index])
+            if ((cap = characteristicsTable[index]))
             {
                 result.emplace_back(*cap);
             }