diff --git a/.travis.yml b/.travis.yml
index 75ed2f5955..d980038181 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -50,7 +50,7 @@ jobs:
               - docker cp tools/coverity.sh travis_coverity_scan:/usr/local/bin
                 # Preconfigure with meson to prevent Coverity from capturing meson metadata
                 # Set compiler flag to prevent emit failure
-              - docker exec -it travis_coverity_scan sh -c "CFLAGS='-D_Float128=long\ double' meson cov-build -Dman=false"
+              - docker exec -it travis_coverity_scan sh -c "CFLAGS='-D_Float128=long\ double -D_Float64=double -D_Float64x=long\ double -D_Float32=float -D_Float32x=double' meson cov-build -Dman=false"
                 # Run Coverity Analysis
               - docker exec -it travis_coverity_scan coverity.sh build
               - docker exec -it travis_coverity_scan coverity.sh upload
diff --git a/src/test/test-sizeof.c b/src/test/test-sizeof.c
index d7897ed765..1a136e5384 100644
--- a/src/test/test-sizeof.c
+++ b/src/test/test-sizeof.c
@@ -49,6 +49,14 @@ int main(void) {
         info(double);
         info(long double);
 
+#ifdef __HAVE_DISTINCT_FLOAT128X
+        info(_Float128);
+        info(_Float64);
+        info(_Float64x);
+        info(_Float32);
+        info(_Float32x);
+#endif
+
         info(size_t);
         info(ssize_t);
         info(time_t);