diff --git a/src/ballet/sha256/fd_sha256.c b/src/ballet/sha256/fd_sha256.c
index 8f5ae7cab5..5bea2751a9 100644
--- a/src/ballet/sha256/fd_sha256.c
+++ b/src/ballet/sha256/fd_sha256.c
@@ -213,7 +213,7 @@ fd_sha256_core_ref( uint *        state,
 # undef sigma1
 # undef Ch
 # undef Maj
-
+  fd_msan_unpoison( state, 32UL );
 }
 
 #define fd_sha256_core fd_sha256_core_ref
@@ -226,7 +226,10 @@ fd_sha256_core_shaext( uint *        state,       /* 64-byte aligned, 8 entries
                        uchar const * block,       /* ideally 128-byte aligned (but not required), 128*block_cnt in size */
                        ulong         block_cnt ); /* positive */
 
-#define fd_sha256_core fd_sha256_core_shaext
+inline void fd_sha256_core( uint * state, uchar const * block, ulong block_cnt ) {
+  fd_sha256_core_shaext( state, block, block_cnt );
+  fd_msan_unpoison( state, 32UL );
+}
 
 #else
 #error "Unsupported FD_SHA256_CORE_IMPL"
diff --git a/src/util/sanitize/fd_msan.h b/src/util/sanitize/fd_msan.h
index 31b732e2c9..124049c09e 100644
--- a/src/util/sanitize/fd_msan.h
+++ b/src/util/sanitize/fd_msan.h
@@ -42,15 +42,15 @@ void __msan_poison                  ( void const volatile * addr, ulong sz );
 void __msan_unpoison                ( void const volatile * addr, ulong sz );
 void __msan_check_mem_is_initialized( void const volatile * addr, ulong sz );
 
-static inline void * fd_msan_poison  ( void *       addr, ulong sz ) { __msan_poison  ( addr, sz ); return addr; }
-static inline void * fd_msan_unpoison( void *       addr, ulong sz ) { __msan_unpoison( addr, sz ); return addr; }
-static inline void   fd_msan_check   ( void const * addr, ulong sz ) { __msan_check_mem_is_initialized( addr, sz ); }
+inline void * fd_msan_poison  ( void *       addr, ulong sz ) { __msan_poison  ( addr, sz ); return addr; }
+inline void * fd_msan_unpoison( void *       addr, ulong sz ) { __msan_unpoison( addr, sz ); return addr; }
+inline void   fd_msan_check   ( void const * addr, ulong sz ) { __msan_check_mem_is_initialized( addr, sz ); }
 
 #else
 
-static inline void * fd_msan_poison  ( void *       addr, ulong sz ) { (void)sz; return addr; }
-static inline void * fd_msan_unpoison( void *       addr, ulong sz ) { (void)sz; return addr; }
-static inline void   fd_msan_check   ( void const * addr, ulong sz ) { (void)addr; (void)sz; }
+inline void * fd_msan_poison  ( void *       addr, ulong sz ) { (void)sz; return addr; }
+inline void * fd_msan_unpoison( void *       addr, ulong sz ) { (void)sz; return addr; }
+inline void   fd_msan_check   ( void const * addr, ulong sz ) { (void)addr; (void)sz; }
 
 #endif