diff --git a/tools/paths.py b/tools/paths.py
index 6092e6c..ec9c5ad 100644
--- a/tools/paths.py
+++ b/tools/paths.py
@@ -18,7 +18,7 @@
 from os import getenv
 
 # Conventions about the directory structure
-from settings import ROOT, BUILD_DIR
+from tools.settings import ROOT, BUILD_DIR
 
 # Allow overriding some of the build parameters using environment variables
 BUILD_DIR = getenv("MBED_BUILD_DIR") or BUILD_DIR
@@ -104,8 +104,10 @@
 CPPUTEST_INC = join(CPPUTEST_DIR, "cpputest", "include")
 CPPUTEST_INC_EXT = join(CPPUTEST_DIR, "cpputest", "include", "CppUTest")
 # Platform dependant code is here (for armcc compiler)
-CPPUTEST_PLATFORM_SRC = join(CPPUTEST_DIR, "cpputest", "src", "Platforms", "armcc")
-CPPUTEST_PLATFORM_INC = join(CPPUTEST_DIR, "cpputest", "include", "Platforms", "armcc")
+CPPUTEST_PLATFORM_SRC = join(CPPUTEST_DIR, "cpputest", "src", "Platforms",
+                             "armcc")
+CPPUTEST_PLATFORM_INC = join(CPPUTEST_DIR, "cpputest", "include", "Platforms",
+                             "armcc")
 # Function 'main' used to run all compiled UTs
 CPPUTEST_TESTRUNNER_SCR = join(TEST_DIR, "utest", "testrunner")
 CPPUTEST_TESTRUNNER_INC = join(TEST_DIR, "utest", "testrunner")