diff --git a/configure b/configure
index 9bab0e6a73..14e3dbf4f4 100755
--- a/configure
+++ b/configure
@@ -15854,7 +15854,7 @@ else
 	PBX_JANSSON=1
 fi
 
-source ./third-party/versions.mak
+. ./third-party/versions.mak
 # Find required JWT support if bundled is not enabled.
 if test "$LIBJWT_BUNDLED" = "no" ; then
 
diff --git a/configure.ac b/configure.ac
index 639bcd9df3..e7fdbc561f 100644
--- a/configure.ac
+++ b/configure.ac
@@ -748,7 +748,7 @@ else
 	PBX_JANSSON=1
 fi
 
-source ./third-party/versions.mak
+. ./third-party/versions.mak
 # Find required JWT support if bundled is not enabled.
 if test "$LIBJWT_BUNDLED" = "no" ; then
 	AST_PKG_CONFIG_CHECK([LIBJWT], [libjwt >= $LIBJWT_VERSION])