diff --git a/script/update_libgit2 b/script/update_libgit2
index 8f654a1cc..0f795bc1f 100755
--- a/script/update_libgit2
+++ b/script/update_libgit2
@@ -23,7 +23,7 @@ mkdir build
 cd build
 
 cmake -DBUILD_SHARED_LIBS:BOOL=OFF \
-	-DLIBSSH2_INCLUDE_DIR:PATH=/usr/local/include/ \
+	-DLIBSSH2_INCLUDE_DIRS:PATH=/usr/local/include/ \
 	-DBUILD_CLAR:BOOL=OFF \
 	-DTHREADSAFE:BOOL=ON \
 	..
diff --git a/script/update_libgit2_ios b/script/update_libgit2_ios
index 77674a146..071b69a59 100755
--- a/script/update_libgit2_ios
+++ b/script/update_libgit2_ios
@@ -47,7 +47,7 @@ function build_libgit2 ()
         -DBUILD_SHARED_LIBS:BOOL=OFF \
         -DOPENSSL_INCLUDE_DIR:PATH=../../External/ios-openssl/include/ \
         -DCMAKE_LIBRARY_PATH:PATH=../../External/libssh2-ios/lib/ \
-        -DLIBSSH2_INCLUDE_DIR:PATH=../../External/libssh2-ios/include/libssh2/ \
+        -DLIBSSH2_INCLUDE_DIRS:PATH=../../External/libssh2-ios/include/libssh2/ \
         -DOPENSSL_SSL_LIBRARY:FILEPATH=../../External/ios-openssl/lib/libssl.a \
         -DCMAKE_LIBRARY_PATH:PATH="${SDKROOT}/usr/lib/" \
         -DOPENSSL_CRYPTO_LIBRARY:FILEPATH=../../External/ios-openssl/lib/libcrypto.a \