diff --git a/clients/c/Makefile b/clients/c/Makefile
index 4852c2c..502dd96 100644
--- a/clients/c/Makefile
+++ b/clients/c/Makefile
@@ -1,5 +1,5 @@
 CC ?= gcc
-CFLAGS ?= -Wall -Werror -I/usr/local/include -fpic -O
+CFLAGS ?= -Wall -Werror -I/usr/local/include -fpic -O -g
 LDFLAGS ?= -Wall -L/usr/local/lib -L. -O
 LIBS ?= -lcurl -ljansson -luuid -lm -lpthread
 
@@ -7,7 +7,6 @@ all: libcosmopolite.so
 
 test: test.o cosmopolite.o
 	$(CC) $(LDFLAGS) -o test test.o cosmopolite.o $(LIBS)
-	./test
 
 libcosmopolite.so: cosmopolite.o
 	$(CC) -shared $(LDFLAGS) -o libcosmopolite.so cosmopolite.o $(LIBS)
diff --git a/clients/c/suppressions b/clients/c/suppressions
new file mode 100644
index 0000000..c9ce3cc
--- /dev/null
+++ b/clients/c/suppressions
@@ -0,0 +1,84 @@
+{
+   curl_global_init_get_compression_methods_1
+   Memcheck:Leak
+   fun:malloc
+   fun:CRYPTO_malloc
+   obj:/usr/lib/x86_64-linux-gnu/libssl.so.1.0.0
+   fun:SSL_COMP_get_compression_methods
+   fun:SSL_library_init
+   obj:/usr/lib/x86_64-linux-gnu/libcurl.so.4.2.0
+   fun:curl_global_init
+   fun:cosmo_create
+   fun:main
+}
+{
+   curl_global_init_get_compression_methods_2
+   Memcheck:Leak
+   fun:malloc
+   fun:CRYPTO_malloc
+   fun:sk_new
+   obj:/usr/lib/x86_64-linux-gnu/libssl.so.1.0.0
+   fun:SSL_COMP_get_compression_methods
+   fun:SSL_library_init
+   obj:/usr/lib/x86_64-linux-gnu/libcurl.so.4.2.0
+   fun:curl_global_init
+   fun:cosmo_create
+   fun:main
+}
+{
+   curl_global_init_load_builtin_engines_1
+   Memcheck:Leak
+   fun:malloc
+   fun:CRYPTO_malloc
+   fun:lh_new
+   obj:/usr/lib/x86_64-linux-gnu/libcrypto.so.1.0.0
+   obj:/usr/lib/x86_64-linux-gnu/libcrypto.so.1.0.0
+   fun:ERR_get_state
+   fun:ERR_clear_error
+   fun:ENGINE_load_builtin_engines
+   obj:/usr/lib/x86_64-linux-gnu/libcurl.so.4.2.0
+   fun:curl_global_init
+   fun:cosmo_create
+   fun:main
+}
+
+{
+   curl_easy_perform_1
+   Memcheck:Leak
+   fun:malloc
+   fun:CRYPTO_malloc
+   fun:ERR_get_state
+   fun:ERR_clear_error
+   obj:/usr/lib/x86_64-linux-gnu/libcurl.so.4.2.0
+   obj:/usr/lib/x86_64-linux-gnu/libcurl.so.4.2.0
+   obj:/usr/lib/x86_64-linux-gnu/libcurl.so.4.2.0
+   obj:/usr/lib/x86_64-linux-gnu/libcurl.so.4.2.0
+   obj:/usr/lib/x86_64-linux-gnu/libcurl.so.4.2.0
+   obj:/usr/lib/x86_64-linux-gnu/libcurl.so.4.2.0
+   obj:/usr/lib/x86_64-linux-gnu/libcurl.so.4.2.0
+   obj:/usr/lib/x86_64-linux-gnu/libcurl.so.4.2.0
+   fun:cosmo_thread_main
+   fun:start_thread
+   fun:clone
+}
+{
+   curl_easy_perform_2
+   Memcheck:Leak
+   fun:malloc
+   fun:CRYPTO_malloc
+   fun:lh_insert
+   obj:/usr/lib/x86_64-linux-gnu/libcrypto.so.1.0.0
+   fun:ERR_get_state
+   fun:ERR_clear_error
+   obj:/usr/lib/x86_64-linux-gnu/libcurl.so.4.2.0
+   obj:/usr/lib/x86_64-linux-gnu/libcurl.so.4.2.0
+   obj:/usr/lib/x86_64-linux-gnu/libcurl.so.4.2.0
+   obj:/usr/lib/x86_64-linux-gnu/libcurl.so.4.2.0
+   obj:/usr/lib/x86_64-linux-gnu/libcurl.so.4.2.0
+   obj:/usr/lib/x86_64-linux-gnu/libcurl.so.4.2.0
+   obj:/usr/lib/x86_64-linux-gnu/libcurl.so.4.2.0
+   obj:/usr/lib/x86_64-linux-gnu/libcurl.so.4.2.0
+   fun:cosmo_thread_main
+   fun:start_thread
+   fun:clone
+}