diff --git a/travis/setup_variables.sh b/travis/setup_variables.sh
index e44c30a..e25a0a6 100755
--- a/travis/setup_variables.sh
+++ b/travis/setup_variables.sh
@@ -30,7 +30,7 @@ if [[ "$TRAVIS_OS_NAME" == "windows" ]]; then
   export CMAKE_EXTRA_ARGUMENTS="-A x64 -DCMAKE_TOOLCHAIN_FILE:FILEPATH=$VCPKG_DIR/scripts/buildsystems/vcpkg.cmake -DVCPKG_TARGET_TRIPLET=x64-windows-static -DOPENSSL_USE_STATIC_LIBS=ON"
   export PATH="$PATH:/c/tools/php74:/c/PHP:/c/Program Files (x86)/Microsoft Visual Studio/2019/BuildTools/VC/Tools/MSVC/14.27.29110/bin/Hostx64/x64:/c/Program Files/OpenJDK/openjdk-11.0.8_10/bin:/c/Program Files/CMake/bin:/c/ProgramData/chocolatey/bin:/c/Program Files/apache-maven-3.6.3/bin:/c/ProgramData/chocolatey/lib/maven/apache-maven-3.6.3/bin:/c/ProgramData/chocolatey/lib/base64/tools:/c/Program Files/NASM"
   export JAVA_HOME="/c/Program Files/OpenJDK/openjdk-11.0.8_10"
-  export CPU_CORES=" -- -m"
+  export CPU_CORES=""
   export CMAKE_BUILD_TYPE=Release
 elif [[ "$TRAVIS_OS_NAME" == "osx" ]]; then
   export CMAKE_EXTRA_ARGUMENTS=""