diff --git a/Sources/CSQLiteVec/include/extinit.h b/Sources/CSQLiteVec/include/extinit.h
index b8d4ad0..853d14f 100644
--- a/Sources/CSQLiteVec/include/extinit.h
+++ b/Sources/CSQLiteVec/include/extinit.h
@@ -10,6 +10,12 @@ extern "C" {
 
 int core_vec_init();
 
+int sqlite3_vec_init(
+    sqlite3 *db,
+    char **pzErrMsg,
+    const sqlite3_api_routines *pApi
+);
+
 #ifdef __cplusplus
 }  /* end of the 'extern "C"' block */
 #endif
diff --git a/Sources/CSQLiteVec/include/sqlite-vec.h b/Sources/CSQLiteVec/sqlite-vec.h
similarity index 100%
rename from Sources/CSQLiteVec/include/sqlite-vec.h
rename to Sources/CSQLiteVec/sqlite-vec.h
diff --git a/Sources/CSQLiteVec/include/sqlite3ext.h b/Sources/CSQLiteVec/sqlite3ext.h
similarity index 100%
rename from Sources/CSQLiteVec/include/sqlite3ext.h
rename to Sources/CSQLiteVec/sqlite3ext.h
diff --git a/deps.sh b/deps.sh
index 2c879ed..1ff233b 100755
--- a/deps.sh
+++ b/deps.sh
@@ -12,7 +12,7 @@ unzip -q sqlite-amalgamation.zip
 SQLITE_DIR=$(unzip -l sqlite-amalgamation.zip | grep -m1 "sqlite-amalgamation-" | awk '{print $4}' | cut -d/ -f1)
 cp ${SQLITE_DIR}/sqlite3.c Sources/CSQLiteVec/
 cp ${SQLITE_DIR}/sqlite3.h Sources/CSQLiteVec/include/
-cp ${SQLITE_DIR}/sqlite3ext.h Sources/CSQLiteVec/include/
+cp ${SQLITE_DIR}/sqlite3ext.h Sources/CSQLiteVec/
 rm -rf ${SQLITE_DIR}
 rm sqlite-amalgamation.zip
 
@@ -21,5 +21,5 @@ rm sqlite-amalgamation.zip
 curl -o sqlite-vec-amalgamation.zip -L https://github.com/asg017/sqlite-vec/releases/download/v${SQLITE_VEC_VERSION}/sqlite-vec-${SQLITE_VEC_VERSION}-amalgamation.zip
 unzip -q sqlite-vec-amalgamation.zip
 mv sqlite-vec.c Sources/CSQLiteVec/
-mv sqlite-vec.h Sources/CSQLiteVec/include/
+mv sqlite-vec.h Sources/CSQLiteVec/
 rm sqlite-vec-amalgamation.zip