diff --git a/ios/build-rust-library.sh b/ios/build-rust-library.sh
index e5aed2069170..5de58559b07c 100644
--- a/ios/build-rust-library.sh
+++ b/ios/build-rust-library.sh
@@ -2,16 +2,26 @@
 
 set -euvx
 
-if [ "$#" -ne 1 ]
+if [ "$#" -gt 2 ] || [ "$#" -eq 0 ]
 then
     echo "Usage (note: only call inside xcode!):"
-    echo "build-rust-library.sh <FFI_TARGET>"
+    echo "build-rust-library.sh <FFI_TARGET> [FFI_FEATURES]"
     exit 1
 fi
 
 # what to pass to cargo build -p, e.g. your_lib_ffi
 FFI_TARGET=$1
 
+# Enable cargo features by passing feature names to this script, i.e. build-rust-library.sh mullvad-api api-override
+# If more than one feature flag needs to be enabled, pass in a single argument all the features flags separated by spaces
+# build-rust-library.sh mullvad-api "featureA featureB featureC"
+FEATURE_FLAGS=
+if [[ "$#" -eq 2 ]] ; then
+FEATURE_FLAGS=$2
+echo ${FEATURE_FLAGS:+--features "$FEATURE_FLAGS"}
+fi
+
+
 RELFLAG=
 if [[ "$CONFIGURATION" == "Release" ]]; then
   RELFLAG=--release
@@ -43,18 +53,18 @@ for arch in $ARCHS; do
 
       # Intel iOS simulator
       export CFLAGS_x86_64_apple_ios="-target x86_64-apple-ios"
-      "$HOME"/.cargo/bin/cargo build -p "$FFI_TARGET" --lib $RELFLAG --target x86_64-apple-ios
-      "$HOME"/.cargo/bin/cargo build -p "$FFI_TARGET" --lib --target x86_64-apple-ios
+      "$HOME"/.cargo/bin/cargo build -p "$FFI_TARGET" --lib $RELFLAG --target x86_64-apple-ios ${FEATURE_FLAGS:+--features "$FEATURE_FLAGS"}
+      "$HOME"/.cargo/bin/cargo build -p "$FFI_TARGET" --lib --target x86_64-apple-ios ${FEATURE_FLAGS:+--features "$FEATURE_FLAGS"}
       ;;
 
     arm64)
       if [ $IS_SIMULATOR -eq 0 ]; then
         # Hardware iOS targets
-        "$HOME"/.cargo/bin/cargo build -p "$FFI_TARGET" --lib $RELFLAG --target aarch64-apple-ios
-        "$HOME"/.cargo/bin/cargo build -p "$FFI_TARGET" --lib --target aarch64-apple-ios
+        "$HOME"/.cargo/bin/cargo build -p "$FFI_TARGET" --lib $RELFLAG --target aarch64-apple-ios ${FEATURE_FLAGS:+--features "$FEATURE_FLAGS"}
+        "$HOME"/.cargo/bin/cargo build -p "$FFI_TARGET" --lib --target aarch64-apple-ios ${FEATURE_FLAGS:+--features "$FEATURE_FLAGS"}
       else
-        "$HOME"/.cargo/bin/cargo build -p "$FFI_TARGET" --lib $RELFLAG --target aarch64-apple-ios-sim
-        "$HOME"/.cargo/bin/cargo build -p "$FFI_TARGET" --lib --target aarch64-apple-ios-sim
+        "$HOME"/.cargo/bin/cargo build -p "$FFI_TARGET" --lib $RELFLAG --target aarch64-apple-ios-sim ${FEATURE_FLAGS:+--features "$FEATURE_FLAGS"}
+        "$HOME"/.cargo/bin/cargo build -p "$FFI_TARGET" --lib --target aarch64-apple-ios-sim ${FEATURE_FLAGS:+--features "$FEATURE_FLAGS"}
       fi
   esac
 done