diff --git a/scripts/travis.sh b/scripts/travis.sh
index 559b55cc..ede2166c 100644
--- a/scripts/travis.sh
+++ b/scripts/travis.sh
@@ -148,11 +148,21 @@ if [[ -e "$LOG_FILE" ]]; then
 fi
 
 chmod +x ./web/native-codec/build.sh
-execute \
-    "Building native codes" \
-    "Failed to build native opus codec" \
-    "docker exec -it emscripten bash -c 'web/native-codec/build.sh'"
+if hash emcmake 2>/dev/null; then
+    hash cmake 2>/dev/null || { echo "Missing cmake. Please install cmake before retrying. (apt-get install cmake)"; exit 1; }
+    hash make 2>/dev/null || { echo "Missing make. Please install build-essential before retrying. (apt-get install build-essential)"; exit 1; }
 
+    echo "Found installation of emcmake locally. Don't use docker in order to build the native parts."
+    execute \
+        "Building native codes" \
+        "Failed to build native opus codec" \
+        "./web/native-codec/build.sh"
+else
+    execute \
+        "Building native codes" \
+        "Failed to build native opus codec" \
+        "docker exec -it emscripten bash -c 'web/native-codec/build.sh'"
+fi
 echo "----------   Web client    ----------"
 
 function move_target_file() {