diff --git a/piglit.spec b/piglit.spec
index 7029d89..84f82f3 100644
--- a/piglit.spec
+++ b/piglit.spec
@@ -45,11 +45,17 @@ mkdir build
 
 %build
 pushd build
-  %cmake ../ \
+
+%cmake ../ \
+%ifarch i686
+    -DCMAKE_C_FLAGS_DEBUG:STRING=-O0 -DCMAKE_CXX_FLAGS_DEBUG:STRING=-O0 \
+%endif
     -DCMAKE_BUILD_TYPE:STRING=Debug \
     -DCMAKE_INSTALL_LIBDIR:PATH=%{_lib} \
     -DPIGLIT_BUILD_CL_TESTS=1
+
   make VERBOSE=1 %{?_smp_mflags}
+
 popd
 
 %install