diff --git a/.travis.yml b/.travis.yml
index feebf441..01dc9ab4 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -17,7 +17,7 @@ before_script:
 script:
  - ./configure --disable-dependency-tracking
  - >
-   if [ "$CC" = 'gcc' ]; then make CFLAGS='-g0' > /dev/null && cp src/libsodium/.libs/libsodium.so lib.so && make clean > /dev/null && make CFLAGS='-g0' CPPFLAGS='-DSODIUM_C99\(X\)=' > /dev/null && cp src/libsodium/.libs/libsodium.so lib-oldc.so && cmp lib.so lib-oldc.so && echo No binary changes && make clean > /dev/null ; fi
+   if [ "$TRAVIS_OS_NAME" = 'linux' -a "$CC" = 'gcc' ]; then make CFLAGS='-g0' > /dev/null && cp src/libsodium/.libs/libsodium.so lib.so && make clean > /dev/null && make CFLAGS='-g0' CPPFLAGS='-DSODIUM_C99\(X\)=' > /dev/null && cp src/libsodium/.libs/libsodium.so lib-oldc.so && cmp lib.so lib-oldc.so && echo No binary changes && make clean > /dev/null ; fi
  - make distcheck
  - make distclean > /dev/null
  - ./configure --disable-dependency-tracking --enable-minimal