diff --git a/func/checkparameters.py b/func/checkparameters.py
index 1e7e5be..5b24767 100644
--- a/func/checkparameters.py
+++ b/func/checkparameters.py
@@ -49,17 +49,12 @@ def checkparameters(appname, gamejsonfile, gametype):
     #eacRuntime
     eacRuntimeArgs =  []
     if gameSettings.get("eacRuntime"): 
-        environment["PROTON_EAC_RUNTIME"] = configpath.runtimepath
-        eacRuntimeArgs = ["eac_runtime"]
-    wrapperArgs += eacRuntimeArgs
+        environment["PROTON_EAC_RUNTIME"] = os.path.join(configpath.runtimepath, "eac_runtime")
 
     #battlEyeRuntime
     battlEyeRuntimeArgs = []
     if gameSettings.get("battlEyeRuntime"): 
-        environment["PROTON_BATTLEYE_RUNTIME"] = configpath.runtimepath
-        battlEyeRuntimeArgs = ["battleye_runtime"]
-    wrapperArgs += battlEyeRuntimeArgs
-
+        environment["PROTON_BATTLEYE_RUNTIME"] = os.path.join(configpath.runtimepath, "battleye_runtime")
 
     #nvidiaPrime
     if gameSettings.get("nvidiaPrime"):
diff --git a/func/configpath.py b/func/configpath.py
index 18151b9..f1057a6 100644
--- a/func/configpath.py
+++ b/func/configpath.py
@@ -65,7 +65,7 @@ def is_flatpak_installed(application_id: str) -> bool:
 
 storejsonpath = os.path.join(actual_config_path, "heroic/store/config.json")
 
-runtimepath = os.path.join(actual_config_path, "heroic/tools/runtimes/")
+runtimepath = os.path.join(actual_config_path, "heroic/tools/runtimes")
 
 # Check if Steam is Flatpak
 is_steam_flatpak =  is_flatpak_installed(STEAM_FLATPAK_APPID)
diff --git a/tests/testcheckparameters.py b/tests/testcheckparameters.py
index a850ef4..1ea3c94 100644
--- a/tests/testcheckparameters.py
+++ b/tests/testcheckparameters.py
@@ -178,9 +178,9 @@ def test_getparameters_epic_proton_all_options(self):
             # maxSharpness
             'WINE_FULLSCREEN_FSR_STRENGTH': str(MOCK_GAME_CONFIG_FULL_OBJ[MOCK_APP_NAME]['maxSharpness']),
             # eacRuntime
-            'PROTON_EAC_RUNTIME': MOCK_RUNTIME_PATH,
+            'PROTON_EAC_RUNTIME': f"{MOCK_RUNTIME_PATH}/eac_runtime",
             # battlEyeRuntime
-            'PROTON_BATTLEYE_RUNTIME': MOCK_RUNTIME_PATH,
+            'PROTON_BATTLEYE_RUNTIME': f"{MOCK_RUNTIME_PATH}/battleye_runtime",
             # nvidiaPrime
             'DRI_PRIME': '1',
             '__NV_PRIME_RENDER_OFFLOAD': '1',
@@ -196,9 +196,9 @@ def test_getparameters_epic_proton_all_options(self):
         expected_environment = expected_environment | MOCK_ENVIRONMENT
         expected_arguments = [
             # eacRuntime
-            'eac_runtime',
+            #'eac_runtime',
             # battlEyeRuntime
-            'battleye_runtime',
+            #'battleye_runtime',
             # wrapperOptions
             MOCK_GAME_CONFIG_FULL_OBJ[MOCK_APP_NAME]['wrapperOptions'][0]['exe'],
             # unpack list of wrapper args
@@ -241,9 +241,9 @@ def test_getparameters_epic_proton_steam_runtime_all_options(self):
             # maxSharpness
             'WINE_FULLSCREEN_FSR_STRENGTH': str(MOCK_GAME_CONFIG_FULL_OBJ[MOCK_APP_NAME]['maxSharpness']),
             # eacRuntime
-            'PROTON_EAC_RUNTIME': MOCK_RUNTIME_PATH,
+            'PROTON_EAC_RUNTIME': f"{MOCK_RUNTIME_PATH}/eac_runtime",
             # battlEyeRuntime
-            'PROTON_BATTLEYE_RUNTIME': MOCK_RUNTIME_PATH,
+            'PROTON_BATTLEYE_RUNTIME': f"{MOCK_RUNTIME_PATH}/battleye_runtime",
             # nvidiaPrime
             'DRI_PRIME': '1',
             '__NV_PRIME_RENDER_OFFLOAD': '1',
@@ -259,9 +259,9 @@ def test_getparameters_epic_proton_steam_runtime_all_options(self):
         expected_environment = expected_environment | MOCK_ENVIRONMENT
         expected_arguments = [
             # eacRuntime
-            'eac_runtime',
+            #'eac_runtime',
             # battlEyeRuntime
-            'battleye_runtime',
+            #'battleye_runtime',
             # wrapperOptions
             MOCK_GAME_CONFIG_PROTON_OBJ[MOCK_APP_NAME]['wrapperOptions'][0]['exe'],
             # unpack list of wrapper args
@@ -306,9 +306,9 @@ def test_checkparameters_gog_linux(self):
             # maxSharpness
             'WINE_FULLSCREEN_FSR_STRENGTH': str(MOCK_GAME_CONFIG_FULL_OBJ[MOCK_APP_NAME]['maxSharpness']),
             # eacRuntime
-            'PROTON_EAC_RUNTIME': MOCK_RUNTIME_PATH,
+            'PROTON_EAC_RUNTIME': f"{MOCK_RUNTIME_PATH}/eac_runtime",
             # battlEyeRuntime
-            'PROTON_BATTLEYE_RUNTIME': MOCK_RUNTIME_PATH,
+            'PROTON_BATTLEYE_RUNTIME': f"{MOCK_RUNTIME_PATH}/battleye_runtime",
             # nvidiaPrime
             'DRI_PRIME': '1',
             '__NV_PRIME_RENDER_OFFLOAD': '1',
@@ -317,7 +317,7 @@ def test_checkparameters_gog_linux(self):
         }
         # environmentOptions
         expected_environment = expected_environment | MOCK_ENVIRONMENT
-        expected_arguments = ['eac_runtime', 'battleye_runtime', '/my/test/wrapper', '--my', '--test', '--args', 'mangohud', '--dlsym', 'gamemoderun', '/path/to/gog-dl', 'launch', '"/path/to/gog/game"', 'TestGameId', '--override-exe', '"/path/to/override/exe"', '--offline', '--platform=linux', 'launcherArgsValue']
+        expected_arguments = ['/my/test/wrapper', '--my', '--test', '--args', 'mangohud', '--dlsym', 'gamemoderun', '/path/to/gog-dl', 'launch', '"/path/to/gog/game"', 'TestGameId', '--override-exe', '"/path/to/override/exe"', '--offline', '--platform=linux', 'launcherArgsValue']
         expected_cloudsync = "/path/to/gog-dl sync-saves --save-path \"/path/to/saves\" TestGameId -y"
         actual_environment, actual_arguments, actual_cloudsync = checkparameters.checkparameters(
             MOCK_APP_NAME, MOCK_GAME_JSON_PATH, "gog-linux")
@@ -342,9 +342,9 @@ def test_checkparameters_epic_wine_custom_libs(self):
             # enableFsync
             'WINEFSYNC': '1',
             # eacRuntime
-            'PROTON_EAC_RUNTIME': MOCK_RUNTIME_PATH,
+            'PROTON_EAC_RUNTIME': f"{MOCK_RUNTIME_PATH}/eac_runtime",
             # battlEyeRuntime
-            'PROTON_BATTLEYE_RUNTIME': MOCK_RUNTIME_PATH,
+            'PROTON_BATTLEYE_RUNTIME': f"{MOCK_RUNTIME_PATH}/battleye_runtime",
             # nvidiaPrime
             'DRI_PRIME': '1',
             '__NV_PRIME_RENDER_OFFLOAD': '1',
@@ -357,7 +357,7 @@ def test_checkparameters_epic_wine_custom_libs(self):
         }
         # environmentOptions
         expected_environment = expected_environment | MOCK_ENVIRONMENT
-        expected_arguments = ['eac_runtime', 'battleye_runtime', '/my/test/wrapper', '--my', '--test', '--args', 'mangohud', '--dlsym', 'gamemoderun', '/path/to/heroic', 'launch', 'TestGameId', '--override-exe', '"/path/to/override/exe"', '--offline', '--language', 'fr', '--wine-prefix', '"/path/to/TestGameId/pfx"', '--wine', '/path/to/game/wine/bin/wine', 'launcherArgsValue']
+        expected_arguments = ['/my/test/wrapper', '--my', '--test', '--args', 'mangohud', '--dlsym', 'gamemoderun', '/path/to/heroic', 'launch', 'TestGameId', '--override-exe', '"/path/to/override/exe"', '--offline', '--language', 'fr', '--wine-prefix', '"/path/to/TestGameId/pfx"', '--wine', '/path/to/game/wine/bin/wine', 'launcherArgsValue']
         expected_cloudsync = "/path/to/heroic sync-saves --save-path \"/path/to/saves\" TestGameId -y"
         actual_environment, actual_arguments, actual_cloudsync = checkparameters.checkparameters(
         MOCK_APP_NAME, MOCK_GAME_JSON_PATH, "epic")