diff --git a/compressor_toolkit/apps.py b/compressor_toolkit/apps.py
index 509fbf0..738ebfa 100644
--- a/compressor_toolkit/apps.py
+++ b/compressor_toolkit/apps.py
@@ -13,21 +13,21 @@ class CompressorToolkitConfig(AppConfig):
     NODE_MODULES = getattr(
         settings,
         'COMPRESS_NODE_MODULES',
-        os.path.abspath('node_modules') if LOCAL_NPM_INSTALL else '/usr/lib/node_modules'
+        os.path.abspath('node_modules') if LOCAL_NPM_INSTALL else os.path.join('usr', 'lib', 'node_modules')
     )
 
     # node-sass executable
     NODE_SASS_BIN = getattr(
         settings,
         'COMPRESS_NODE_SASS_BIN',
-        'node_modules/.bin/node-sass' if LOCAL_NPM_INSTALL else 'node-sass'
+        os.path.join(NODE_MODULES, '.bin', 'node-sass') if LOCAL_NPM_INSTALL else 'node-sass'
     )
 
     # postcss executable
     POSTCSS_BIN = getattr(
         settings,
         'COMPRESS_POSTCSS_BIN',
-        'node_modules/.bin/postcss' if LOCAL_NPM_INSTALL else 'postcss'
+        os.path.join(NODE_MODULES, '.bin', 'postcss') if LOCAL_NPM_INSTALL else 'postcss'
     )
 
     # Browser versions config for Autoprefixer
@@ -44,7 +44,7 @@ class CompressorToolkitConfig(AppConfig):
     BROWSERIFY_BIN = getattr(
         settings,
         'COMPRESS_BROWSERIFY_BIN',
-        'node_modules/.bin/browserify' if LOCAL_NPM_INSTALL else 'browserify'
+        os.path.join(NODE_MODULES, '.bin', 'browserify') if LOCAL_NPM_INSTALL else 'browserify'
     )
 
     # Custom ES6 transpiler command