1 files changed, 2 insertions, 1 deletions

diff --git a/src/var.c b/src/var.c
index 027beff..dc90249 100644
--- a/src/var.c
+++ b/src/var.c
@@ -136,7 +136,8 @@ INIT {
 
 	initvar();
 	for (envp = environ ; *envp ; envp++) {
-		if (strchr(*envp, '=')) {
+		p = endofname(*envp);
+		if (p != *envp && *p == '=') {
 			setvareq(*envp, VEXPORT|VTEXTFIXED);
 		}
 	}