diff --git a/kiwixbuild/platforms/android.py b/kiwixbuild/platforms/android.py
index 9a9e9a7..a8c6c6a 100644
--- a/kiwixbuild/platforms/android.py
+++ b/kiwixbuild/platforms/android.py
@@ -37,7 +37,7 @@ class AndroidPlatformInfo(PlatformInfo):
             'binaries': self.binaries(install_path),
             'root_path': pj(install_path, 'sysroot'),
             'extra_libs': ['-llog'],
-            'extra_cflags': [],
+            'extra_cflags': ['-I{}'.format(pj(self.buildEnv.install_dir, 'include'))],
             'host_machine': {
                 'system': 'Android',
                 'lsystem': 'android',
diff --git a/kiwixbuild/platforms/armhf.py b/kiwixbuild/platforms/armhf.py
index 354af4b..3d4eb60 100644
--- a/kiwixbuild/platforms/armhf.py
+++ b/kiwixbuild/platforms/armhf.py
@@ -16,7 +16,7 @@ class ArmhfPlatformInfo(PlatformInfo):
             'exec_wrapper_def': '',
             'root_path': self.root_path,
             'extra_libs': [],
-            'extra_cflags': [],
+            'extra_cflags': ['-I{}'.format(pj(self.buildEnv.install_dir, 'include'))],
             'host_machine': {
                 'system': 'linux',
                 'lsystem': 'linux',
diff --git a/kiwixbuild/platforms/i586.py b/kiwixbuild/platforms/i586.py
index b52dd9e..0dfd677 100644
--- a/kiwixbuild/platforms/i586.py
+++ b/kiwixbuild/platforms/i586.py
@@ -14,7 +14,7 @@ class I586PlatformInfo(PlatformInfo):
             'binaries': self.binaries,
             'exec_wrapper_def': '',
             'extra_libs': ['-m32', '-march=i586', '-mno-sse'],
-            'extra_cflags': ['-m32', '-march=i586', '-mno-sse'],
+            'extra_cflags': ['-m32', '-march=i586', '-mno-sse', '-I{}'.format(pj(self.buildEnv.install_dir, 'include'))],
             'host_machine': {
                 'system': 'linux',
                 'lsystem': 'linux',
diff --git a/kiwixbuild/platforms/ios.py b/kiwixbuild/platforms/ios.py
index 1459741..f1ac81d 100644
--- a/kiwixbuild/platforms/ios.py
+++ b/kiwixbuild/platforms/ios.py
@@ -35,7 +35,7 @@ class iOSPlatformInfo(PlatformInfo):
             'binaries': self.binaries,
             'exec_wrapper_def': '',
             'extra_libs': ['-fembed-bitcode', '-isysroot', self.root_path, '-arch', self.arch, '-miphoneos-version-min=9.0', '-stdlib=libc++'],
-            'extra_cflags': ['-fembed-bitcode', '-isysroot', self.root_path, '-arch', self.arch, '-miphoneos-version-min=9.0', '-stdlib=libc++'],
+            'extra_cflags': ['-fembed-bitcode', '-isysroot', self.root_path, '-arch', self.arch, '-miphoneos-version-min=9.0', '-stdlib=libc++', '-I{}'.format(pj(self.buildEnv.install_dir, 'include'))],
             'host_machine': {
                 'system': 'Darwin',
                 'lsystem': 'darwin',
diff --git a/kiwixbuild/platforms/win32.py b/kiwixbuild/platforms/win32.py
index a9e35b1..10e2e20 100644
--- a/kiwixbuild/platforms/win32.py
+++ b/kiwixbuild/platforms/win32.py
@@ -17,7 +17,7 @@ class Win32PlatformInfo(PlatformInfo):
             'binaries': self.binaries,
             'root_path': self.root_path,
             'extra_libs': self.extra_libs,
-            'extra_cflags': ['-DWIN32'],
+            'extra_cflags': ['-DWIN32', '-I{}'.format(pj(self.buildEnv.install_dir, 'include'))],
             'host_machine': {
                 'system': 'Windows',
                 'lsystem': 'windows',