diff --git a/src/feature/gui/gui-runner.c b/src/feature/gui/gui-runner.c
index 820f1cb07..2e837891f 100644
--- a/src/feature/gui/gui-runner.c
+++ b/src/feature/gui/gui-runner.c
@@ -456,11 +456,7 @@ void mGUIRun(struct mGUIRunner* runner, const char* path) {
 		runner->setup(runner);
 	}
 	if (runner->config.port && runner->keySources) {
-		mLOG(GUI_RUNNER, DEBUG, "Loading key sources for %s...", runner->config.port);
-		size_t i;
-		for (i = 0; runner->keySources[i].id; ++i) {
-			mInputMapLoad(&runner->core->inputMap, runner->keySources[i].id, mCoreConfigGetInput(&runner->config));
-		}
+		mGUILoadInputMaps(runner);
 	}
 	mLOG(GUI_RUNNER, DEBUG, "Reseting...");
 	runner->core->reset(runner->core);
@@ -751,11 +747,7 @@ void mGUIRun(struct mGUIRunner* runner, const char* path) {
 
 void mGUIRunloop(struct mGUIRunner* runner) {
 	if (runner->keySources) {
-		mLOG(GUI_RUNNER, DEBUG, "Loading key sources for %s...", runner->config.port);
-		size_t i;
-		for (i = 0; runner->keySources[i].id; ++i) {
-			mInputMapLoad(&runner->params.keyMap, runner->keySources[i].id, mCoreConfigGetInput(&runner->config));
-		}
+		mGUILoadInputMaps(runner);
 	}
 	while (!runner->running || runner->running(runner)) {
 		char path[PATH_MAX];
@@ -776,6 +768,14 @@ void mGUIRunloop(struct mGUIRunner* runner) {
 	}
 }
 
+void mGUILoadInputMaps(struct mGUIRunner* runner) {
+	mLOG(GUI_RUNNER, DEBUG, "Loading key sources for %s...", runner->config.port);
+	size_t i;
+	for (i = 0; runner->keySources[i].id; ++i) {
+		mInputMapLoad(&runner->params.keyMap, runner->keySources[i].id, mCoreConfigGetInput(&runner->config));
+	}
+}
+
 #if defined(__3DS__) || defined(PSP2)
 bool mGUIGetRom(struct mGUIRunner* runner, char* out, size_t outLength) {
 #ifdef PSP2
diff --git a/src/feature/gui/gui-runner.h b/src/feature/gui/gui-runner.h
index 860b96b99..fc8e85227 100644
--- a/src/feature/gui/gui-runner.h
+++ b/src/feature/gui/gui-runner.h
@@ -95,6 +95,7 @@ struct mGUIRunner {
 
 void mGUIInit(struct mGUIRunner*, const char* port);
 void mGUIDeinit(struct mGUIRunner*);
+void mGUILoadInputMaps(struct mGUIRunner* runner);
 void mGUIRun(struct mGUIRunner*, const char* path);
 void mGUIRunloop(struct mGUIRunner*);
 
diff --git a/src/platform/3ds/main.c b/src/platform/3ds/main.c
index b19a0ca2f..5356130ce 100644
--- a/src/platform/3ds/main.c
+++ b/src/platform/3ds/main.c
@@ -1067,10 +1067,7 @@ int main(int argc, char* argv[]) {
 	}
 
 	if (initialPath[0] == '/' || useRomfs) {
-		size_t i;
-		for (i = 0; runner.keySources[i].id; ++i) {
-			mInputMapLoad(&runner.params.keyMap, runner.keySources[i].id, mCoreConfigGetInput(&runner.config));
-		}
+		mGUILoadInputMaps(&runner);
 		mGUIRun(&runner, initialPath);
 	} else {
 		mGUIRunloop(&runner);
diff --git a/src/platform/psp2/main.c b/src/platform/psp2/main.c
index d66ba8494..747535e25 100644
--- a/src/platform/psp2/main.c
+++ b/src/platform/psp2/main.c
@@ -282,10 +282,7 @@ int main() {
 	scePowerSetArmClockFrequency(444);
 
 	if (mGUIGetRom(&runner, initialPath, sizeof(initialPath))) {
-		size_t i;
-		for (i = 0; runner.keySources[i].id; ++i) {
-			mInputMapLoad(&runner.params.keyMap, runner.keySources[i].id, mCoreConfigGetInput(&runner.config));
-		}
+		mGUILoadInputMaps(&runner);
 		mGUIRun(&runner, initialPath);
 	} else {
 		mGUIRunloop(&runner);
diff --git a/src/platform/switch/main.c b/src/platform/switch/main.c
index 25b6f6eca..9f1e84563 100644
--- a/src/platform/switch/main.c
+++ b/src/platform/switch/main.c
@@ -1061,10 +1061,7 @@ int main(int argc, char* argv[]) {
 	}
 
 	if (argc > 1) {
-		size_t i;
-		for (i = 0; runner.keySources[i].id; ++i) {
-			mInputMapLoad(&runner.params.keyMap, runner.keySources[i].id, mCoreConfigGetInput(&runner.config));
-		}
+		mGUILoadInputMaps(&runner);
 		mGUIRun(&runner, argv[1]);
 	} else {
 		mGUIRunloop(&runner);
diff --git a/src/platform/wii/main.c b/src/platform/wii/main.c
index 36bb9abfc..312388347 100644
--- a/src/platform/wii/main.c
+++ b/src/platform/wii/main.c
@@ -653,10 +653,7 @@ int main(int argc, char* argv[]) {
 	}
 
 	if (argc > 1) {
-		size_t i;
-		for (i = 0; runner.keySources[i].id; ++i) {
-			mInputMapLoad(&runner.params.keyMap, runner.keySources[i].id, mCoreConfigGetInput(&runner.config));
-		}
+		mGUILoadInputMaps(&runner);
 		mGUIRun(&runner, argv[1]);
 	} else {
 		mGUIRunloop(&runner);