diff --git a/.github/workflows/ios.yml b/.github/workflows/ios.yml
index 50502aa72..fa3865bbc 100644
--- a/.github/workflows/ios.yml
+++ b/.github/workflows/ios.yml
@@ -11,5 +11,5 @@ jobs:
 
     - name: build
       run: |
-        cmake -B build -G Xcode -DCMAKE_SYSTEM_NAME=iOS -DCMAKE_OSX_DEPLOYMENT_TARGET=11.0 -DCMAKE_DISABLE_FIND_PACKAGE_OpenSSL=ON -DUSE_OPENSSL=OFF -DCMAKE_C_FLAGS="-DDARWIN -Werror"
+        cmake -B build -G Xcode -DCMAKE_SYSTEM_NAME=iOS -DCMAKE_OSX_DEPLOYMENT_TARGET=11.0 -DCMAKE_DISABLE_FIND_PACKAGE_OpenSSL=ON -DUSE_OPENSSL=OFF -DCMAKE_C_FLAGS="-Werror"
         cmake --build build -- CODE_SIGNING_ALLOWED=NO
diff --git a/cmake/re-config.cmake b/cmake/re-config.cmake
index 7a5983b14..34ebe80a5 100644
--- a/cmake/re-config.cmake
+++ b/cmake/re-config.cmake
@@ -173,6 +173,8 @@ endif()
 if(${CMAKE_SYSTEM_NAME} MATCHES "Darwin")
   list(APPEND RE_DEFINITIONS DARWIN)
   include_directories(/opt/local/include)
+elseif(${CMAKE_SYSTEM_NAME} MATCHES "iOS")
+  list(APPEND RE_DEFINITIONS DARWIN)
 elseif(${CMAKE_SYSTEM_NAME} MATCHES "FreeBSD")
   list(APPEND RE_DEFINITIONS FREEBSD)
 elseif(${CMAKE_SYSTEM_NAME} MATCHES "OpenBSD")