diff --git a/lib/chibi/process.stub b/lib/chibi/process.stub
index fbfc1cf2..87e51e00 100644
--- a/lib/chibi/process.stub
+++ b/lib/chibi/process.stub
@@ -127,7 +127,7 @@
 ;;> Replace the current process with the given command.  Finalizers
 ;;> are not run.
 
-(define-c int (execvp execvp) (string (array string)))
+(define-c int execvp (string (array string)))
 
 ;;> Returns the current process id.