diff --git a/.travis.yml b/.travis.yml
index 19f974e61..64aecd890 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -122,7 +122,20 @@ script:
             bash scripts/installcheck.sh $HOME/temp
             rm -rf curl-99.98.97
             # verify out-of-tree build
-            (tar xf curl-99.98.97.tar.gz && mkdir build && cd build && ../curl-99.98.97/configure && make && make TFLAGS=1 test)
+            (tar xf curl-99.98.97.tar.gz && \
+             mkdir build && \
+             cd build && \
+             ../curl-99.98.97/configure && \
+             make && \
+             make TFLAGS=1 test)
+            # verify cmake build
+            rm -rf curl-99.98.97
+            (tar xf curl-99.98.97.tar.gz && \
+             cd curl-99.98.97 && \
+             mkdir build && \
+             cd build && \
+             cmake .. && \
+             make)
         fi
 
 # whitelist branches to avoid testing feature branches twice (as branch and as pull request)