diff --git a/CHANGES b/CHANGES
index c85f25e1be..273fcdbbf0 100644
--- a/CHANGES
+++ b/CHANGES
@@ -1,3 +1,7 @@
+3775.	[bug]		dlz_dlopen driver could return the wrong error
+			code on API version mismatch, leading to a segfault.
+			[RT #35495]
+
 3773.	[func]		"host", "nslookup" and "nsupdate" now have
 			options to print the version number and exit.
 			[RT #26057]
diff --git a/bin/named/unix/dlz_dlopen_driver.c b/bin/named/unix/dlz_dlopen_driver.c
index 98dfc5a75b..6d2c2a59a0 100644
--- a/bin/named/unix/dlz_dlopen_driver.c
+++ b/bin/named/unix/dlz_dlopen_driver.c
@@ -327,6 +327,7 @@ dlopen_dlz_create(const char *dlzname, unsigned int argc, char *argv[],
 			   "dlz_dlopen: incorrect version %d "
 			   "should be %d in '%s'",
 			   cd->version, DLZ_DLOPEN_VERSION, cd->dl_path);
+		result = ISC_R_FAILURE;
 		goto failed;
 	}
 
diff --git a/bin/named/win32/dlz_dlopen_driver.c b/bin/named/win32/dlz_dlopen_driver.c
index 52292b5b31..6e29bbc561 100644
--- a/bin/named/win32/dlz_dlopen_driver.c
+++ b/bin/named/win32/dlz_dlopen_driver.c
@@ -311,6 +311,7 @@ dlopen_dlz_create(const char *dlzname, unsigned int argc, char *argv[],
 			   "dlz_dlopen: incorrect version %d "
 			   "should be %d in '%s'",
 			   cd->version, DLZ_DLOPEN_VERSION, cd->dl_path);
+		result = ISC_R_FAILURE;
 		goto failed;
 	}