diff --git a/pkgs/servers/sql/mariadb/connector-c/3_1.nix b/pkgs/servers/sql/mariadb/connector-c/3_1.nix
index fb6835775fb..477d6113b7a 100644
--- a/pkgs/servers/sql/mariadb/connector-c/3_1.nix
+++ b/pkgs/servers/sql/mariadb/connector-c/3_1.nix
@@ -1,6 +1,6 @@
 { callPackage, ... } @ args:
 
 callPackage ./. (args // {
-  version = "3.1.8";
-  sha256 = "0yrzhsxmjiwkhchagx8dymzhvxl3k5h40wn9wpicqjvgjb9k8523";
+  version = "3.1.12";
+  sha256 = "0qzyahr8x9l1xz0l79wz3iahxz7648n1azc5yr7kx0dl113y2nig";
 })
diff --git a/pkgs/servers/sql/mariadb/connector-c/default.nix b/pkgs/servers/sql/mariadb/connector-c/default.nix
index 22110f3b4f0..0767828461f 100644
--- a/pkgs/servers/sql/mariadb/connector-c/default.nix
+++ b/pkgs/servers/sql/mariadb/connector-c/default.nix
@@ -29,8 +29,8 @@ stdenv.mkDerivation {
 
   postPatch = ''
     substituteInPlace mariadb_config/mariadb_config.c.in \
-      --replace '@CMAKE_SYSROOT@@CMAKE_INSTALL_PREFIX@/@INSTALL_INCLUDEDIR@' "$dev/include" \
-      --replace '@CMAKE_SYSROOT@@CMAKE_INSTALL_PREFIX@/@INSTALL_LIBDIR@' "$out/lib/mariadb"
+      --replace '-I%s/@INSTALL_INCLUDEDIR@' "-I$dev/include" \
+      --replace '-L%s/@INSTALL_LIBDIR@' "-L$out/lib/mariadb"
   '';
 
   # The cmake setup-hook uses $out/lib by default, this is not the case here.