diff --git a/package/ci/ios-simulator-gles.sh b/package/ci/ios-simulator-gles.sh
index 1e0253dde..3ef327804 100755
--- a/package/ci/ios-simulator-gles.sh
+++ b/package/ci/ios-simulator-gles.sh
@@ -55,6 +55,7 @@ cmake .. \
     -DCMAKE_OSX_ARCHITECTURES="x86_64" \
     -DCMAKE_PREFIX_PATH="$HOME/deps" \
     -DCORRADE_RC_EXECUTABLE=$HOME/deps-native/bin/corrade-rc \
+    -DCMAKE_INSTALL_PREFIX=$HOME/deps \
     -DMAGNUM_TARGET_GLES2=$TARGET_GLES2 \
     -DMAGNUM_WITH_AUDIO=ON \
     -DMAGNUM_WITH_VK=OFF \