diff --git a/imgui-sys/build.rs b/imgui-sys/build.rs
index d796ea6..fe7be78 100644
--- a/imgui-sys/build.rs
+++ b/imgui-sys/build.rs
@@ -9,30 +9,31 @@ const DEFINES: &[(&str, Option<&str>)] = &[
     ("IMGUI_DISABLE_OSX_FUNCTIONS", None),
 ];
 
+#[cfg(feature = "freetype")]
+fn find_freetype() -> Vec<impl AsRef<std::path::Path>> {
+    let err_pkg_config;
+    let err_vcpkg;
+    match pkg_config::Config::new().find("freetype2") {
+        Ok(freetype) => return freetype.include_paths,
+        Err(err) => err_pkg_config = err,
+    }
+    match vcpkg::find_package("freetype") {
+        Ok(freetype) => return freetype.include_paths,
+        Err(err) => err_vcpkg = err,
+    }
+    panic!(
+        "cannot find freetype:\n\
+    - pkg-config failed with: {}\n\
+    - vcpkg failed with: {}",
+        err_pkg_config, err_vcpkg
+    );
+}
+
 // Output define args for compiler
 fn main() -> std::io::Result<()> {
     // Root of imgui-sys
     let manifest_dir = std::path::Path::new(env!("CARGO_MANIFEST_DIR"));
 
-    #[cfg(feature = "freetype")]
-    fn find_freetype() -> Vec<impl AsRef<std::path::Path>> {
-        let err_pkg_config;
-        let err_vcpkg;
-        match pkg_config::Config::new().find("freetype2") {
-            Ok(freetype) => return freetype.include_paths,
-            Err(err) => err_pkg_config = err,
-        }
-        match vcpkg::find_package("freetype") {
-            Ok(freetype) => return freetype.include_paths,
-            Err(err) => err_vcpkg = err,
-        }
-        panic!(
-            "cannot find freetype:\n\
-        - pkg-config failed with: {}\n\
-        - vcpkg failed with: {}",
-            err_pkg_config, err_vcpkg
-        );
-    }
     println!(
         "cargo:THIRD_PARTY={}",
         manifest_dir.join("third-party").display()