diff --git a/bitcoind/Dockerfile b/bitcoind/Dockerfile
index 1663d4b..69cd2af 100644
--- a/bitcoind/Dockerfile
+++ b/bitcoind/Dockerfile
@@ -136,6 +136,6 @@ ENTRYPOINT ["/entrypoint.sh"]
 RUN bitcoind -version | grep "Bitcoin Core version v${BITCOIN_VERSION}"
 
 HEALTHCHECK --interval=10s --timeout=20s --start-period=30s \
-  CMD ["/bin/sh", "-c", "/healthcheck.sh"]
+  CMD ["/healthcheck.sh"]
 
 CMD ["bitcoind"]
diff --git a/lightningd/Dockerfile b/lightningd/Dockerfile
index 77e2348..b0de907 100644
--- a/lightningd/Dockerfile
+++ b/lightningd/Dockerfile
@@ -159,7 +159,7 @@ RUN pip3 install \
       packaging
 
 HEALTHCHECK --interval=5s --timeout=10s --start-period=5s \
-    CMD ["/bin/sh", "-c", "/healthcheck.sh"]
+    CMD ["/healthcheck.sh"]
 
 ENTRYPOINT ["/entrypoint.sh"]
 CMD ["lightningd"]
diff --git a/txood/Dockerfile b/txood/Dockerfile
index 13f003d..0a51055 100644
--- a/txood/Dockerfile
+++ b/txood/Dockerfile
@@ -45,7 +45,7 @@ RUN chmod +x /healthcheck.sh
 VOLUME ["${TXOO_DATA}"]
 
 HEALTHCHECK --interval=5s --timeout=10s --start-period=5s \
-    CMD ["/bin/sh", "-c", "/healthcheck.sh"]
+    CMD ["/healthcheck.sh"]
 
 ENTRYPOINT ["/entrypoint.sh"]
 CMD ["txood"]
diff --git a/txood/healthcheck.sh b/txood/healthcheck.sh
old mode 100644
new mode 100755
diff --git a/vlsd/Dockerfile b/vlsd/Dockerfile
index 36b9e03..e2c83ad 100644
--- a/vlsd/Dockerfile
+++ b/vlsd/Dockerfile
@@ -61,7 +61,7 @@ VOLUME ["${VLS_DATA}"]
 USER vls
 
 HEALTHCHECK --interval=10s --timeout=10s --start-period=10s \
-    CMD ["/bin/sh", "-c", "/healthcheck.sh"]
+    CMD ["/healthcheck.sh"]
 
 ENTRYPOINT ["/entrypoint.sh"]