2 files changed, 4 insertions, 4 deletions
diff --git a/zap/include/zap/bs.h b/zap/include/zap/bs.h
index 930b1a8..c2a7053 100644
--- a/zap/include/zap/bs.h
+++ b/zap/include/zap/bs.h
@@ -7,7 +7,7 @@
 #if !defined(zap_priv_hdr_bs)
 #define zap_priv_hdr_bs
 
-#if defined(sus_lang_cxx)
+#if defined(__cplusplus)
 extern "C" {
 #endif
 
@@ -36,7 +36,7 @@ typedef unsigned long zap_sz;
 
 #define zap_ver ((unsigned long)+0x10u)
 
-#if defined(sus_lang_cxx)
+#if defined(__cplusplus)
 }
 #endif
 
diff --git a/zap/include/zap/mem.h b/zap/include/zap/mem.h
index 0580019..46ab872 100644
--- a/zap/include/zap/mem.h
+++ b/zap/include/zap/mem.h
@@ -9,7 +9,7 @@
 
 #include <zap/bs.h>
 
-#if defined(sus_lang_cxx)
+#if defined(__cplusplus)
 extern "C" {
 #endif
 
@@ -35,7 +35,7 @@ __attribute__ ((hot,nothrow)) zap_sz zap_utf8enclen(zap_chr
 __attribute__ ((hot,nothrow)) void zap_win1252dec(zap_chr8 const * in, zap_chr20 * out);
 __attribute__ ((hot,nothrow)) void zap_win1252enc(zap_chr20 const * in, zap_chr8 * out);
 
-#if defined(sus_lang_cxx)
+#if defined(__cplusplus)
 }
 #endif