diff --git a/.travis.yml b/.travis.yml
index f9b9c63874f..f944434827e 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -120,7 +120,7 @@ jobs:
         - MATRIX_EVAL="CC=gcc-5 && CXX=g++-5"
       script:
         - ./.github/travis/build.sh
-        - travis_wait 30 ./run_reg_test.pl vtr_reg_basic -show_failures -j2
+        - travis_wait 30 ./run_reg_test.py vtr_reg_basic -show_failures -j2
     - stage: Test
       name: "Basic Regression Tests with VTR_ENABLE_DEBUG_LOGGING"
       env:
@@ -128,7 +128,7 @@ jobs:
         - MATRIX_EVAL="CC=gcc-5 && CXX=g++-5"
       script:
         - ./.github/travis/build.sh
-        - travis_wait 30 ./run_reg_test.pl vtr_reg_basic -show_failures -j2
+        - travis_wait 30 ./run_reg_test.py vtr_reg_basic -show_failures -j2
     - stage: Test
       name: "Strong Regression Tests"
       env: