diff --git a/src/aclocal.m4 b/src/aclocal.m4
index 596c7abe1..911f66740 100644
--- a/src/aclocal.m4
+++ b/src/aclocal.m4
@@ -185,7 +185,7 @@ case "${host_os}" in
 		shared='no'
 		SHARED_LDFLAGS=''
 		BUNDLE_LDFLAGS=''
-		SHARED_PREFIX=''
+		SHAREDPREFIX=''
 		SHAREDEXT='dll'
 		;;
 	mingw*)
@@ -194,7 +194,7 @@ case "${host_os}" in
 		shared='yes'
 		SHARED_LDFLAGS=''
 		BUNDLE_LDFLAGS=''
-		SHARED_PREFIX=''
+		SHAREDPREFIX=''
 		SHAREDEXT='dll'
 		PICFLAG=''
 		;;
@@ -420,4 +420,4 @@ AC_DEFUN(ECL_INSTALL_INFO,[
 AC_SUBST(INSTALL_INFO)
 AC_PATH_PROG(INSTALL_INFO, install-info, [/sbin/install-info],
 [$PATH:/usr/bin:/usr/sbin:/usr/etc:/usr/libexec])
-])
\ No newline at end of file
+])
diff --git a/src/configure b/src/configure
index 9e2221c1d..c116f923e 100755
--- a/src/configure
+++ b/src/configure
@@ -3914,7 +3914,7 @@ case "${host_os}" in
 		shared='no'
 		SHARED_LDFLAGS=''
 		BUNDLE_LDFLAGS=''
-		SHARED_PREFIX=''
+		SHAREDPREFIX=''
 		SHAREDEXT='dll'
 		;;
 	mingw*)
@@ -3923,7 +3923,7 @@ case "${host_os}" in
 		shared='yes'
 		SHARED_LDFLAGS=''
 		BUNDLE_LDFLAGS=''
-		SHARED_PREFIX=''
+		SHAREDPREFIX=''
 		SHAREDEXT='dll'
 		PICFLAG=''
 		;;