diff --git a/src/7.4/src/Dockerfile b/src/7.4/src/Dockerfile
index 9cfaae3..52b04c2 100644
--- a/src/7.4/src/Dockerfile
+++ b/src/7.4/src/Dockerfile
@@ -43,7 +43,7 @@ RUN set -xe; \
     docker-php-source extract; \
     gnuArch="$(dpkg-architecture --query DEB_BUILD_GNU_TYPE)"; \
     debMultiarch="$(dpkg-architecture --query DEB_BUILD_MULTIARCH)"; \
-    if [[ ! -d "/usr/include/curl" ]]; then \
+    if [ ! -d "/usr/include/curl" ]; then \
         ln -sT "/usr/include/${debMultiarch}/curl" /usr/local/include/curl; \
     fi; \
     cd /usr/src/php; \
diff --git a/src/8.0/src/Dockerfile b/src/8.0/src/Dockerfile
index 91407ef..de0c3b2 100644
--- a/src/8.0/src/Dockerfile
+++ b/src/8.0/src/Dockerfile
@@ -43,7 +43,7 @@ RUN set -xe; \
     docker-php-source extract; \
     gnuArch="$(dpkg-architecture --query DEB_BUILD_GNU_TYPE)"; \
     debMultiarch="$(dpkg-architecture --query DEB_BUILD_MULTIARCH)"; \
-    if [[ ! -d "/usr/include/curl" ]]; then \
+    if [ ! -d "/usr/include/curl" ]; then \
         ln -sT "/usr/include/${debMultiarch}/curl" /usr/local/include/curl; \
     fi; \
     cd /usr/src/php; \
diff --git a/src/8.1/src/Dockerfile b/src/8.1/src/Dockerfile
index 14b54a7..72345f4 100644
--- a/src/8.1/src/Dockerfile
+++ b/src/8.1/src/Dockerfile
@@ -43,7 +43,7 @@ RUN set -xe; \
     docker-php-source extract; \
     gnuArch="$(dpkg-architecture --query DEB_BUILD_GNU_TYPE)"; \
     debMultiarch="$(dpkg-architecture --query DEB_BUILD_MULTIARCH)"; \
-    if [[ ! -d "/usr/include/curl" ]]; then \
+    if [ ! -d "/usr/include/curl" ]; then \
         ln -sT "/usr/include/${debMultiarch}/curl" /usr/local/include/curl; \
     fi; \
     cd /usr/src/php; \
diff --git a/src/8.2/src/Dockerfile b/src/8.2/src/Dockerfile
index 05a0b00..8603a32 100644
--- a/src/8.2/src/Dockerfile
+++ b/src/8.2/src/Dockerfile
@@ -43,7 +43,7 @@ RUN set -xe; \
     docker-php-source extract; \
     gnuArch="$(dpkg-architecture --query DEB_BUILD_GNU_TYPE)"; \
     debMultiarch="$(dpkg-architecture --query DEB_BUILD_MULTIARCH)"; \
-    if [[ ! -d "/usr/include/curl" ]]; then \
+    if [ ! -d "/usr/include/curl" ]; then \
         ln -sT "/usr/include/${debMultiarch}/curl" /usr/local/include/curl; \
     fi; \
     cd /usr/src/php; \
diff --git a/src/8.3/src/Dockerfile b/src/8.3/src/Dockerfile
index ee33017..c3a1150 100644
--- a/src/8.3/src/Dockerfile
+++ b/src/8.3/src/Dockerfile
@@ -43,7 +43,7 @@ RUN set -xe; \
     docker-php-source extract; \
     gnuArch="$(dpkg-architecture --query DEB_BUILD_GNU_TYPE)"; \
     debMultiarch="$(dpkg-architecture --query DEB_BUILD_MULTIARCH)"; \
-    if [[ ! -d "/usr/include/curl" ]]; then \
+    if [ ! -d "/usr/include/curl" ]; then \
         ln -sT "/usr/include/${debMultiarch}/curl" /usr/local/include/curl; \
     fi; \
     cd /usr/src/php; \