diff --git a/include/jemalloc/internal/prof_types.h b/include/jemalloc/internal/prof_types.h
index 4abe5b58..98750f3c 100644
--- a/include/jemalloc/internal/prof_types.h
+++ b/include/jemalloc/internal/prof_types.h
@@ -29,7 +29,12 @@ typedef struct prof_recent_s prof_recent_t;
 #define PROF_CKH_MINITEMS		64
 
 /* Size of memory buffer to use when writing dump files. */
-#define PROF_DUMP_BUFSIZE		65536
+#ifndef JEMALLOC_PROF
+/* Minimize memory bloat for non-prof builds. */
+#  define PROF_DUMP_BUFSIZE		1
+#else
+#  define PROF_DUMP_BUFSIZE		65536
+#endif
 
 /* Size of stack-allocated buffer used by prof_printf(). */
 #define PROF_PRINTF_BUFSIZE		128
diff --git a/src/prof_data.c b/src/prof_data.c
index 0de728b0..d5f55241 100644
--- a/src/prof_data.c
+++ b/src/prof_data.c
@@ -59,14 +59,7 @@ static prof_tdata_tree_t tdatas;
  * This buffer is rather large for stack allocation, so use a single buffer for
  * all profile dumps.
  */
-static char prof_dump_buf[
-    /* Minimize memory bloat for non-prof builds. */
-#ifdef JEMALLOC_PROF
-    PROF_DUMP_BUFSIZE
-#else
-    1
-#endif
-];
+static char prof_dump_buf[PROF_DUMP_BUFSIZE];
 static size_t prof_dump_buf_end;
 static int prof_dump_fd;