diff --git a/test/stdlib/3.3-exclude.sh b/test/stdlib/3.3-exclude.sh
index 01b6b3ad..b2a51322 100644
--- a/test/stdlib/3.3-exclude.sh
+++ b/test/stdlib/3.3-exclude.sh
@@ -1,5 +1,6 @@
 SKIP_TESTS=(
     [test_buffer.py]=1  # FIXME: Works on c90ff51
+    [test_cmath.py]=1  # FIXME: Works on c90ff51
 
     [test_atexit.py]=1  # The atexit test starting at 3.3 looks for specific comments in error lines
 
diff --git a/test/stdlib/3.4-exclude.sh b/test/stdlib/3.4-exclude.sh
index 716ba1df..d33b86cf 100644
--- a/test/stdlib/3.4-exclude.sh
+++ b/test/stdlib/3.4-exclude.sh
@@ -1,5 +1,6 @@
 SKIP_TESTS=(
     [test_buffer.py]=1  # FIXME: Works on c90ff51
+    [test_cmath.py]=1  # FIXME: Works on c90ff51
     [test_strftime.py]=1  # FIXME: Works on c90ff51
 
     [test___all__.py]=1  # it fails on its own
diff --git a/test/stdlib/3.6-exclude.sh b/test/stdlib/3.6-exclude.sh
index 68433ec6..d9b87010 100644
--- a/test/stdlib/3.6-exclude.sh
+++ b/test/stdlib/3.6-exclude.sh
@@ -1,5 +1,6 @@
 SKIP_TESTS=(
     [test_ast.py]=1 # FIXME: Works on c90ff51
+    [test_cmath.py]=1  # FIXME: Works on c90ff51
     [test_format.py]=1 # FIXME: Works on c90ff51
     [test_ftplib.py]=1 # FIXME: Works on c90ff51
     [test_slice.py]=1 # FIXME: Works on c90ff51