diff --git a/.coveragerc b/.coveragerc
index 9ef955843..97934dc3b 100644
--- a/.coveragerc
+++ b/.coveragerc
@@ -1,4 +1,9 @@
 [run]
-source = _pytest,testing
+source = pytest,_pytest,testing/
 parallel = 1
 branch = 1
+
+[paths]
+source = src/
+  .tox/*/lib/python*/site-packages/
+  .tox\*\Lib\site-packages\
diff --git a/.travis.yml b/.travis.yml
index dd7529d20..a319c0922 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -84,7 +84,7 @@ before_script:
     if [[ "$PYTEST_NO_COVERAGE" != 1 ]]; then
       export COVERAGE_FILE="$PWD/.coverage"
       export COVERAGE_PROCESS_START="$PWD/.coveragerc"
-      export _PYTEST_TOX_COVERAGE_RUN="coverage run --source {envsitepackagesdir}/_pytest/,{toxinidir}/testing -m"
+      export _PYTEST_TOX_COVERAGE_RUN="coverage run -m"
       export _PYTEST_TOX_EXTRA_DEP=coverage-enable-subprocess
     fi
 
diff --git a/scripts/prepare-coverage.bat b/scripts/prepare-coverage.bat
index fbf4da66a..bff1e62b0 100644
--- a/scripts/prepare-coverage.bat
+++ b/scripts/prepare-coverage.bat
@@ -2,7 +2,7 @@ REM scripts called by AppVeyor to setup the environment variables to enable cove
 if not defined PYTEST_NO_COVERAGE (
     set "COVERAGE_FILE=%CD%\.coverage"
     set "COVERAGE_PROCESS_START=%CD%\.coveragerc"
-    set "_PYTEST_TOX_COVERAGE_RUN=coverage run --source {envsitepackagesdir}/_pytest/,{toxinidir}/testing -m"
+    set "_PYTEST_TOX_COVERAGE_RUN=coverage run -m"
     set "_PYTEST_TOX_EXTRA_DEP=coverage-enable-subprocess"
     echo Coverage setup completed
 ) else (