diff --git a/test/test-25069c12.c b/test/test-25069c12.c
index 1f6cd52..b9f27fa 100644
--- a/test/test-25069c12.c
+++ b/test/test-25069c12.c
@@ -1,14 +1,15 @@
-#include <unistd.h> /* execve(2), */
-#include <stdlib.h> /* exit(3), */
+#include <unistd.h> /* execv(2), */
+#include <stdlib.h> /* exit(3), getenv(3), setenv(3), */
 #include <string.h> /* strcmp(3), */
 
 int main(int argc, char *argv[])
 {
 	char *void_array[] = { NULL };
 
-	if (argc == 0)
+	if (getenv("PROC_SELF_EXE") != NULL)
 		exit(EXIT_SUCCESS);
 
-	execve("/proc/self/exe", void_array, void_array);
+	setenv("PROC_SELF_EXE", "1", 1);
+	execv("/proc/self/exe", void_array);
 	exit(EXIT_FAILURE);
 }
diff --git a/test/test-25069c13.c b/test/test-25069c13.c
index dc14733..af8b8d8 100644
--- a/test/test-25069c13.c
+++ b/test/test-25069c13.c
@@ -1,12 +1,13 @@
-#include <unistd.h> /* execve(2), */
-#include <stdlib.h> /* exit(3), */
+#include <unistd.h> /* execv(2), */
+#include <stdlib.h> /* exit(3), getenv(3), setenv(3), */
 #include <string.h> /* strcmp(3), */
 
 int main(int argc, char *argv[])
 {
-	if (argc == 0)
+	if (getenv("PROC_SELF_EXE") != NULL)
 		exit(EXIT_SUCCESS);
 
-	execve("/proc/self/exe", NULL, NULL);
+	setenv("PROC_SELF_EXE", "1", 1);
+	execv("/proc/self/exe", NULL);
 	exit(EXIT_FAILURE);
 }