diff --git a/Source/Core/Core/PowerPC/MMU.cpp b/Source/Core/Core/PowerPC/MMU.cpp
index e5d4bebdb8..3b49381d76 100644
--- a/Source/Core/Core/PowerPC/MMU.cpp
+++ b/Source/Core/Core/PowerPC/MMU.cpp
@@ -885,7 +885,7 @@ bool HostIsRAMAddress(u32 address, RequestedAddressSpace space)
 bool HostIsInstructionRAMAddress(u32 address, RequestedAddressSpace space)
 {
   // Instructions are always 32bit aligned.
-  if (!(address & 3))
+  if (address & 3)
     return false;
 
   switch (space)