diff --git a/README.md b/README.md
index 1acadb7..8273684 100644
--- a/README.md
+++ b/README.md
@@ -39,7 +39,7 @@ Libraries built with different NDK versions should not be used in the same appli
 #### [GLib](https://gitlab.gnome.org/GNOME/glib/)
 
 Released versions 2.78.1 and 2.78.3 are problematic (issue #20).
-Usable version is 2.75.1
+Usable version is 2.75.0
 
 [![glib2](https://github.com/ViliusSutkus89/ndkports/actions/workflows/glib2.yml/badge.svg)](https://github.com/ViliusSutkus89/ndkports/actions/workflows/glib2.yml)
 [![Maven Central](https://img.shields.io/maven-central/v/com.viliussutkus89.ndk.thirdparty/glib2-ndk25-static.svg?label=Maven%20Central%20glib2-ndk25-static)](https://search.maven.org/search?q=g:com.viliussutkus89.ndk.thirdparty%20AND%20a:glib2-ndk25-static)
diff --git a/glib2/build.gradle.kts b/glib2/build.gradle.kts
index 7a82b4e..4f16e2b 100644
--- a/glib2/build.gradle.kts
+++ b/glib2/build.gradle.kts
@@ -3,7 +3,7 @@ import com.android.ndkports.CMakeCompatibleVersion
 import com.android.ndkports.PrefabSysrootPlugin
 import org.gradle.jvm.tasks.Jar
 
-val portVersion = "2.75.1"
+val portVersion = "2.75.0"
 
 group = rootProject.group
 version = "${portVersion}-beta-1"
@@ -38,11 +38,12 @@ fun File.replace(oldValue: String, newValue: String, ignoreCase: Boolean = false
     return this
 }
 
-fun File.patch(patch: String) {
+fun File.patch(patch: String): File {
     patch(projectDir.resolve("patches/$portVersion").resolve(patch))
+    return this
 }
 
-fun File.patch(patch: File) {
+fun File.patch(patch: File): File {
     val pb = ProcessBuilder(
         if (isFile) listOf("patch", "-p0", absolutePath)
         else listOf("patch", "-p0")
@@ -64,6 +65,7 @@ fun File.patch(patch: File) {
     if (process.waitFor() != 0) {
         throw RuntimeException("Patch failed!\n")
     }
+    return this
 }
 
 tasks.extractSrc {
@@ -73,7 +75,9 @@ tasks.extractSrc {
         srcDir.resolve("subprojects/proxy-libintl.wrap").delete()
         srcDir.resolve("glib/meson.build").patch("libffi-pkgconfig-pc.patch")
         srcDir.resolve("gio/giounix-private.c").patch("epoll_create1.patch")
-        srcDir.resolve("meson.build").patch("ngettext.patch")
+        srcDir.resolve("meson.build")
+            .patch("ngettext.patch")
+            .patch("pointer-sign-error.patch")
     }
 }
 
diff --git a/glib2/glib-2.75.0.tar.xz b/glib2/glib-2.75.0.tar.xz
new file mode 100644
index 0000000..31742fb
Binary files /dev/null and b/glib2/glib-2.75.0.tar.xz differ
diff --git a/glib2/glib-2.75.1.tar.xz b/glib2/glib-2.75.1.tar.xz
deleted file mode 100644
index 48a9450..0000000
Binary files a/glib2/glib-2.75.1.tar.xz and /dev/null differ
diff --git a/glib2/patches/2.75.1/epoll_create1.patch b/glib2/patches/2.75.0/epoll_create1.patch
similarity index 100%
rename from glib2/patches/2.75.1/epoll_create1.patch
rename to glib2/patches/2.75.0/epoll_create1.patch
diff --git a/glib2/patches/2.75.1/libffi-pkgconfig-pc.patch b/glib2/patches/2.75.0/libffi-pkgconfig-pc.patch
similarity index 100%
rename from glib2/patches/2.75.1/libffi-pkgconfig-pc.patch
rename to glib2/patches/2.75.0/libffi-pkgconfig-pc.patch
diff --git a/glib2/patches/2.75.1/ngettext.patch b/glib2/patches/2.75.0/ngettext.patch
similarity index 100%
rename from glib2/patches/2.75.1/ngettext.patch
rename to glib2/patches/2.75.0/ngettext.patch
diff --git a/glib2/patches/2.75.0/pointer-sign-error.patch b/glib2/patches/2.75.0/pointer-sign-error.patch
new file mode 100644
index 0000000..58f2f3b
--- /dev/null
+++ b/glib2/patches/2.75.0/pointer-sign-error.patch
@@ -0,0 +1,11 @@
+--- meson.build
++++ meson.build 2023-12-22 23:24:51.020000000 +0200.txt
+@@ -504,7 +504,7 @@
+     '-Wno-bad-function-cast',
+     '-Werror=implicit-function-declaration',
+     '-Werror=missing-prototypes',
+-    '-Werror=pointer-sign',
++    '-Wwarning=pointer-sign',
+     '-Wno-string-plus-int',
+   ]
+   warning_cxx_args = warning_common_args