diff --git a/src/tools/eidenv.c b/src/tools/eidenv.c
index ec344846..f336017e 100644
--- a/src/tools/eidenv.c
+++ b/src/tools/eidenv.c
@@ -248,6 +248,7 @@ static void exportprint(const char *key, const char *val)
 			strcat(cp, "=");
 			strcat(cp, val);
 			putenv(cp);
+			free(cp);
 		}
 	} else
 		printf("%s: %s\n", key, val);