diff --git a/config/pac.m4 b/config/pac.m4
index 52185439..0d22392f 100644
--- a/config/pac.m4
+++ b/config/pac.m4
@@ -2251,7 +2251,7 @@ if test "x$pac_cv_have_cuda" == "xyes"; then
 #include <stdio.h>
 #include <cuda.h>
 
-int main(int argc, char *argv[])
+int main(int argc, char **argv)
 {
   printf("%d",CUDA_VERSION);
   return(0);
diff --git a/configure b/configure
index 0421872d..3d8c5cd6 100755
--- a/configure
+++ b/configure
@@ -10786,7 +10786,7 @@ printf %s "checking for CUDA version... " >&6; }
 #include <stdio.h>
 #include <cuda.h>
 
-int main(int argc, char *argv)
+int main(int argc, char **argv)
 {
   printf("%d",CUDA_VERSION);
   return(0);