1 files changed, 3 insertions, 3 deletions

diff --git a/isa/decode.cpp b/isa/decode.cpp
index f0cdca8..abcb3e3 100644
--- a/isa/decode.cpp
+++ b/isa/decode.cpp
@@ -88,15 +88,15 @@ instruction_context decode(std::uint_fast32_t flags, unsigned int pc, unsigned i
 #pragma GCC diagnostic pop
 
     instruction_context inst;
-    inst.bits = bits;
-    inst.next_pc = (pc & ~07777) | ((pc + 1) & 07777);
-
     if (interrupt) {
         inst.bits = bits = 04000;
         assert(df == 0);
         assert(ifb == 0);
         inst.next_pc = pc;
         pc = 0;
+    } else {
+        inst.bits = bits;
+        inst.next_pc = (pc & ~07777) | ((pc + 1) & 07777);
     }
 
     switch (bits >> 9) {