diff --git a/configure b/configure
index 9888689..a5570fb 100755
--- a/configure
+++ b/configure
@@ -13985,7 +13985,7 @@ else
 
 	#include <sys/utsname.h>
 
-	int main(int argc, char **argv)
+	int main(int argc, char *argv[])
 	{
 		struct utsname uts;
 		uts.domainname[0] = '\0';
diff --git a/configure.in b/configure.in
index 8f2abc0..644d1e3 100644
--- a/configure.in
+++ b/configure.in
@@ -212,7 +212,7 @@ then
 	AC_TRY_RUN([
 	#include <sys/utsname.h>
 	
-	int main(int argc, char **argv)
+	int main(int argc, char*argv[])
 	{
 		struct utsname uts;
 		uts.domainname[0] = '\0';
diff --git a/src/radiusclient.c b/src/radiusclient.c
index 25d93b6..4a8488e 100644
--- a/src/radiusclient.c
+++ b/src/radiusclient.c
@@ -47,7 +47,7 @@ usage(void)
 }
 
 int
-main(int argc, char **argv)
+main(int argc, char *argv[])
 {
     int i, nas_port, ch, acct, server, ecount, firstline, theend;
     void *rh;