diff --git a/configure.ac b/configure.ac
index 56ecc222..bd63f081 100644
--- a/configure.ac
+++ b/configure.ac
@@ -158,8 +158,12 @@ LOL_TRY_CXXFLAGS(-Wsign-compare, [AM_CPPFLAGS="${AM_CPPFLAGS} -Wsign-compare"])
 
 dnl  Add these even though they're implicitly set, so that we can safely
 dnl  remove them from within a Makefile.
-LOL_TRY_CXXFLAGS(-Wno-maybe-uninitialized, [AM_CPPFLAGS="${AM_CPPFLAGS} -Wno-maybe-uninitialized"])
-LOL_TRY_CXXFLAGS(-Wno-narrowing, [AM_CPPFLAGS="${AM_CPPFLAGS} -Wno-narrowing"])
+LOL_TRY_CXXFLAGS(-Wmaybe-uninitialized, [AM_CPPFLAGS="${AM_CPPFLAGS} -Wmaybe-uninitialized"])
+LOL_TRY_CXXFLAGS(-Wnarrowing, [AM_CPPFLAGS="${AM_CPPFLAGS} -Wnarrowing"])
+LOL_TRY_CXXFLAGS(-Wunused, [AM_CPPFLAGS="${AM_CPPFLAGS} -Wunused"])
+LOL_TRY_CXXFLAGS(-Wstrict-aliasing, [AM_CPPFLAGS="${AM_CPPFLAGS} -Wstrict-aliasing"])
+LOL_TRY_CXXFLAGS(-Wreorder, [AM_CPPFLAGS="${AM_CPPFLAGS} -Wreorder"])
+LOL_TRY_CXXFLAGS(-Wparentheses, [AM_CPPFLAGS="${AM_CPPFLAGS} -Wparentheses"])
 
 
 AC_CHECK_LIB(m, sin, MATH_LIBS="${MATH_LIBS} -lm")
diff --git a/src/bullet/Makefile.am b/src/bullet/Makefile.am
index 8ce26047..00e6c0a6 100644
--- a/src/bullet/Makefile.am
+++ b/src/bullet/Makefile.am
@@ -7,7 +7,7 @@ noinst_LIBRARIES = liblolbullet.a
 # what the compiler actually accepts.
 disable_cflags = $(filter $(AM_CPPFLAGS:-W%=-Wno-%), \
     -Wno-shadow -Wno-unused -Wno-cast-qual -Wno-strict-aliasing \
-    -Wno-reorder -Wno-maybe-uninitialized, -Wno-narrowing \
+    -Wno-reorder -Wno-maybe-uninitialized -Wno-narrowing \
     -Wno-parentheses)
 
 liblolbullet_a_SOURCES = $(bullet_sources)