diff --git a/Makefile b/Makefile
index fd45cd19b1..700c77f564 100644
--- a/Makefile
+++ b/Makefile
@@ -185,7 +185,7 @@ PROGRAMS = \
 	git-unpack-objects$X git-update-server-info$X \
 	git-upload-pack$X git-verify-pack$X \
 	git-symbolic-ref$X \
-	git-name-rev$X git-pack-redundant$X git-repo-config$X git-var$X \
+	git-name-rev$X git-pack-redundant$X git-var$X \
 	git-describe$X git-merge-tree$X git-blame$X git-imap-send$X
 
 BUILT_INS = git-log$X git-whatchanged$X git-show$X git-update-ref$X \
@@ -197,7 +197,8 @@ BUILT_INS = git-log$X git-whatchanged$X git-show$X git-update-ref$X \
 	git-read-tree$X git-commit-tree$X git-write-tree$X \
 	git-apply$X git-show-branch$X git-diff-files$X git-update-index$X \
 	git-diff-index$X git-diff-stages$X git-diff-tree$X git-cat-file$X \
-	git-fmt-merge-msg$X git-prune$X git-mv$X git-prune-packed$X
+	git-fmt-merge-msg$X git-prune$X git-mv$X git-prune-packed$X \
+	git-repo-config$X
 
 # what 'all' will build and 'install' will install, in gitexecdir
 ALL_PROGRAMS = $(PROGRAMS) $(SIMPLE_PROGRAMS) $(SCRIPTS)
@@ -254,7 +255,7 @@ BUILTIN_OBJS = \
 	builtin-diff-index.o builtin-diff-stages.o builtin-diff-tree.o \
 	builtin-cat-file.o builtin-mailsplit.o builtin-stripspace.o \
 	builtin-update-ref.o builtin-fmt-merge-msg.o builtin-prune.o \
-	builtin-mv.o builtin-prune-packed.o
+	builtin-mv.o builtin-prune-packed.o builtin-repo-config.o
 
 GITLIBS = $(LIB_FILE) $(XDIFF_LIB)
 LIBS = $(GITLIBS) -lz
diff --git a/repo-config.c b/builtin-repo-config.c
similarity index 98%
rename from repo-config.c
rename to builtin-repo-config.c
index 743f02b7de..c821e22717 100644
--- a/repo-config.c
+++ b/builtin-repo-config.c
@@ -1,3 +1,4 @@
+#include "builtin.h"
 #include "cache.h"
 #include <regex.h>
 
@@ -128,7 +129,7 @@ free_strings:
 	return ret;
 }
 
-int main(int argc, const char **argv)
+int cmd_repo_config(int argc, const char **argv, const char *prefix)
 {
 	int nongit = 0;
 	setup_git_directory_gently(&nongit);
diff --git a/builtin.h b/builtin.h
index 7ddfe2891c..26ebcaf213 100644
--- a/builtin.h
+++ b/builtin.h
@@ -48,6 +48,7 @@ extern int cmd_update_index(int argc, const char **argv, const char *prefix);
 extern int cmd_update_ref(int argc, const char **argv, const char *prefix);
 extern int cmd_fmt_merge_msg(int argc, const char **argv, const char *prefix);
 extern int cmd_mv(int argc, const char **argv, const char *prefix);
+extern int cmd_repo_config(int argc, const char **argv, const char *prefix);
 
 extern int cmd_write_tree(int argc, const char **argv, const char *prefix);
 extern int write_tree(unsigned char *sha1, int missing_ok, const char *prefix);
diff --git a/git.c b/git.c
index 5b50762de1..6e72a893b7 100644
--- a/git.c
+++ b/git.c
@@ -264,6 +264,7 @@ static void handle_internal_command(int argc, const char **argv, char **envp)
 		{ "prune", cmd_prune, NEEDS_PREFIX },
 		{ "mv", cmd_mv, NEEDS_PREFIX },
 		{ "prune-packed", cmd_prune_packed, NEEDS_PREFIX },
+		{ "repo-config", cmd_repo_config },
 	};
 	int i;