diff --git a/age/BUILD.bazel b/age/BUILD.bazel
index 50ea701dc..e2e140c2b 100644
--- a/age/BUILD.bazel
+++ b/age/BUILD.bazel
@@ -62,7 +62,9 @@ genrule(
         "generated/opmap.cpp",
     ],
     tools = ["//age:agen"],
-    cmd = "$(location //age:agen) --cfg $(location :test/mock.json) --out $(@D)/generated --strip_prefix=$$(dirname $(@D)) --gen_capi",
+    cmd = "$(location //age:agen) " +
+        "--cfg $(location :test/mock.json) --out $(@D)/generated " +
+        "--strip_prefix=$$(dirname $(@D)) --gen_capi",
 )
 
 cc_test(
diff --git a/age/templates/capi_tmpl.py b/age/templates/capi_tmpl.py
index 404fb2535..42621651a 100644
--- a/age/templates/capi_tmpl.py
+++ b/age/templates/capi_tmpl.py
@@ -23,8 +23,8 @@
 """)
 
 header.api_decls = ("apis", lambda apis: '\n\n'.join([\
-    "extern int64_t {api} ({args});".format(\
-    api = api["name"], args = ', '.join([\
+    "extern int64_t age_{func} ({args});".format(\
+    func = api["name"], args = ', '.join([\
         arg.replace(_origtype, _repltype)\
         for arg in api["args"]])) for api in apis]))
 
@@ -71,7 +71,7 @@
 #endif
 """)
 
-_cfunc_fmt = """int64_t {func} ({params})
+_cfunc_fmt = """int64_t age_{func} ({params})
 {{
     {arg_decls}auto ptr = age::{func}({retargs});
     int64_t id = (int64_t) ptr.get();
diff --git a/age/test.py b/age/test.py
index c05e760d9..facb3aa2a 100644
--- a/age/test.py
+++ b/age/test.py
@@ -115,11 +115,11 @@
 
 extern void get_shape (int outshape[8], int64_t tens);
 
-extern int64_t func1 ();
+extern int64_t age_func1 ();
 
-extern int64_t func2 (int64_t arg, Arg arg1);
+extern int64_t age_func2 (int64_t arg, Arg arg1);
 
-extern int64_t func3 (int64_t arg, Arg arg1, int64_t arg2);
+extern int64_t age_func3 (int64_t arg, Arg arg1, int64_t arg2);
 
 #endif // _GENERATED_CAPI_HPP
 """
@@ -161,7 +161,7 @@
     std::copy(shape.begin(), shape.end(), outshape);
 }
 
-int64_t func1 ()
+int64_t age_func1 ()
 {
     auto ptr = age::func1();
     int64_t id = (int64_t) ptr.get();
@@ -169,7 +169,7 @@
     return id;
 }
 
-int64_t func2 (int64_t arg, Arg arg1)
+int64_t age_func2 (int64_t arg, Arg arg1)
 {
     ade::TensptrT arg_ptr = get_tens(arg);
     auto ptr = age::func2(arg_ptr, arg1);
@@ -178,7 +178,7 @@
     return id;
 }
 
-int64_t func3 (int64_t arg, Arg arg1, int64_t arg2)
+int64_t age_func3 (int64_t arg, Arg arg1, int64_t arg2)
 {
     ade::TensptrT arg_ptr = get_tens(arg);
     ade::TensptrT arg2_ptr = get_tens(arg2);
diff --git a/age/test/test_capi.cpp b/age/test/test_capi.cpp
index 285845692..91be09fb8 100644
--- a/age/test/test_capi.cpp
+++ b/age/test/test_capi.cpp
@@ -12,7 +12,7 @@ TEST(AGE, CApi)
 {
 	// everything should be exactly the same as Api
 	// except inputs and output types are different
-	int64_t carrot = goku(16);
+	int64_t carrot = age_goku(16);
 	MockTensor* kakarot = dynamic_cast<MockTensor*>(
 		static_cast<ade::iTensor*>(get_ptr(carrot)));
 	EXPECT_NE(nullptr, kakarot);
@@ -22,7 +22,7 @@ TEST(AGE, CApi)
 	EXPECT_EQ(16, shape.at(0));
 
 	int64_t var = malloc_tens(new MockTensor(1, ade::Shape({1, 1, 31})));
-	int64_t vegetable = vegeta(var, 2);
+	int64_t vegetable = age_vegeta(var, 2);
 	MockTensor* planet = dynamic_cast<MockTensor*>(
 		static_cast<ade::iTensor*>(get_ptr(vegetable)));
 	EXPECT_NE(nullptr, planet);