diff --git a/include/mariadb_version.h.in b/include/mariadb_version.h.in
index a82dbb7..e9005fa 100644
--- a/include/mariadb_version.h.in
+++ b/include/mariadb_version.h.in
@@ -30,7 +30,7 @@
 #define MARIADB_PACKAGE_VERSION_ID @MARIADB_PACKAGE_VERSION_ID@
 #define MARIADB_SYSTEM_TYPE "@CMAKE_SYSTEM_NAME@"
 #define MARIADB_MACHINE_TYPE "@CMAKE_SYSTEM_PROCESSOR@"
-#define MARIADB_PLUGINDIR "@CMAKE_INSTALL_PREFIX@/@INSTALL_PLUGINDIR@"
+#define MARIADB_PLUGINDIR "../@INSTALL_PLUGINDIR@"
 
 /* mysqld compile time options */
 #ifndef MYSQL_CHARSET
diff --git a/mariadb_config/mariadb_config.c.in b/mariadb_config/mariadb_config.c.in
index 36c0117..4184e4b 100644
--- a/mariadb_config/mariadb_config.c.in
+++ b/mariadb_config/mariadb_config.c.in
@@ -225,7 +225,7 @@ end:
   }
   if (!p || !p[0])
   {
-    strncpy(installation_dir, "@CMAKE_SYSROOT@@CMAKE_INSTALL_PREFIX@", PATH_MAX - 1);
+    strncpy(installation_dir, "../@CMAKE_INSTALL_PREFIX@", PATH_MAX - 1);
     return;
   }
 }