diff --git a/src/rose/rose_build_bytecode.cpp b/src/rose/rose_build_bytecode.cpp
index c640f091..a042eb2c 100644
--- a/src/rose/rose_build_bytecode.cpp
+++ b/src/rose/rose_build_bytecode.cpp
@@ -513,9 +513,14 @@ void fillStateOffsets(const RoseBuildImpl &tbi, u32 rolesWithStateCount,
                       u32 activeLeftCount, u32 laggedRoseCount,
                       u32 floatingStreamStateRequired, u32 historyRequired,
                       RoseStateOffsets *so) {
-    /* runtime state (including role state) first and needs to be u32-aligned */
-    u32 curr_offset = sizeof(RoseRuntimeState)
-                    + mmbit_size(rolesWithStateCount);
+    u32 curr_offset = 0;
+
+    // First, runtime state (stores per-stream state, like whether we need a
+    // delay rebuild or have been told to halt matching.)
+    curr_offset += sizeof(RoseRuntimeState);
+
+    // Role state storage.
+    curr_offset += mmbit_size(rolesWithStateCount);
 
     so->activeLeafArray = curr_offset; /* TODO: limit size of array */
     curr_offset += mmbit_size(activeArrayCount);
diff --git a/src/rose/rose_internal.h b/src/rose/rose_internal.h
index a1f91cd3..326887da 100644
--- a/src/rose/rose_internal.h
+++ b/src/rose/rose_internal.h
@@ -476,19 +476,11 @@ struct RoseEngine {
     struct scatter_full_plan state_init;
 };
 
-#if defined(_WIN32)
-#pragma pack(push, 1)
-#endif
 // Rose runtime state
 struct RoseRuntimeState {
     u8 flags; /* high bit true if delay rebuild needed */
     u8 broken; /* user has requested that we stop matching */
-#if defined(_WIN32)
 };
-#pragma pack(pop)
-#else
-} __attribute__((packed));
-#endif
 
 struct ALIGN_CL_DIRECTIVE anchored_matcher_info {
     u32 next_offset; /* relative to this, 0 for end */