diff --git a/build.sh b/build.sh
index 74d0fd4..6e501db 100755
--- a/build.sh
+++ b/build.sh
@@ -5,8 +5,8 @@ cargo test --features c-headers -- generate_headers
 # cc
 export LD_LIBRARY_PATH=`pwd`/target/debug
 cc cc/bdk_ffi_test.c -o cc/bdk_ffi_test -L target/debug -l bdk_ffi -l pthread -l dl -l m
-#valgrind --leak-check=full cc/bdk_ffi_test
-cc/bdk_ffi_test
+valgrind --leak-check=full cc/bdk_ffi_test
+#cc/bdk_ffi_test
 
 # bdk-kotlin
 mkdir -p bdk-kotlin/jar/libs/x86_64_linux