diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 2de4fdd62..2772080cd 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -331,6 +331,6 @@ jobs:
     steps:
       - uses: actions/checkout@v3
       - name: CMake generation
-        run: cmake -S c -B c/build -DCMAKE_INSTALL_PREFIX=${{github.workspace}}/target
+        run: cmake -S . -B build -DCMAKE_INSTALL_PREFIX=${{github.workspace}}/target
       - name: CMake build / install
-        run: cmake --build c/build --target install
+        run: cmake --build build --target install
diff --git a/CMakeLists.txt b/CMakeLists.txt
new file mode 100644
index 000000000..d754d331c
--- /dev/null
+++ b/CMakeLists.txt
@@ -0,0 +1,10 @@
+cmake_minimum_required(VERSION 3.9)
+
+project(libblake3
+  VERSION 1.5.0
+  DESCRIPTION "BLAKE3 C implementation"
+  LANGUAGES C ASM
+)
+
+include_directories(c)
+add_subdirectory(c)
diff --git a/c/CMakeLists.txt b/c/CMakeLists.txt
index c73b9c7c4..091189663 100644
--- a/c/CMakeLists.txt
+++ b/c/CMakeLists.txt
@@ -1,11 +1,3 @@
-cmake_minimum_required(VERSION 3.9)
-
-project(libblake3
-  VERSION 1.5.0
-  DESCRIPTION "BLAKE3 C implementation"
-  LANGUAGES C ASM
-)
-
 include(FeatureSummary)
 include(GNUInstallDirs)
 
@@ -167,7 +159,7 @@ install(FILES
 )
 
 configure_file(libblake3.pc.in libblake3.pc @ONLY)
-install(FILES "${CMAKE_BINARY_DIR}/libblake3.pc"
+install(FILES "${CMAKE_CURRENT_BINARY_DIR}/libblake3.pc"
   DESTINATION "${CMAKE_INSTALL_LIBDIR}/pkgconfig")
 
 # print feature summary