diff --git a/makefile b/makefile
index 58de5ddb..e3f8cf69 100644
--- a/makefile
+++ b/makefile
@@ -15,12 +15,12 @@ CWARNSCPP= \
 	-Wdouble-promotion \
 	-Wmissing-declarations \
 	-Wconversion \
+	-Wuninitialized \
+	-Wstrict-overflow=2 \
         # the next warnings might be useful sometimes,
 	# but usually they generate too much noise
 	# -Werror \
 	# -pedantic   # warns if we use jump tables \
-	# -Wsign-conversion \
-	# -Wstrict-overflow=2 \
 	# -Wformat=2 \
 	# -Wcast-qual \