diff --git a/stratosphere/loader/source/ldr_main.cpp b/stratosphere/loader/source/ldr_main.cpp
index 5d6f5a01c..94a52fcbf 100644
--- a/stratosphere/loader/source/ldr_main.cpp
+++ b/stratosphere/loader/source/ldr_main.cpp
@@ -16,7 +16,7 @@ extern "C" {
 
     u32 __nx_applet_type = AppletType_None;
 
-    #define INNER_HEAP_SIZE 0x200000
+    #define INNER_HEAP_SIZE 0x20000
     size_t nx_inner_heap_size = INNER_HEAP_SIZE;
     char   nx_inner_heap[INNER_HEAP_SIZE];
     
diff --git a/stratosphere/pm/source/pm_main.cpp b/stratosphere/pm/source/pm_main.cpp
index 5a65793fd..4ce175465 100644
--- a/stratosphere/pm/source/pm_main.cpp
+++ b/stratosphere/pm/source/pm_main.cpp
@@ -18,7 +18,7 @@ extern "C" {
 
     u32 __nx_applet_type = AppletType_None;
 
-    #define INNER_HEAP_SIZE 0x200000
+    #define INNER_HEAP_SIZE 0x20000
     size_t nx_inner_heap_size = INNER_HEAP_SIZE;
     char   nx_inner_heap[INNER_HEAP_SIZE];
     
diff --git a/stratosphere/pm/source/pm_resource_limits.cpp b/stratosphere/pm/source/pm_resource_limits.cpp
index f45f135e9..4149ccfac 100644
--- a/stratosphere/pm/source/pm_resource_limits.cpp
+++ b/stratosphere/pm/source/pm_resource_limits.cpp
@@ -3,6 +3,9 @@
 
 #include "pm_resource_limits.hpp"
 
+/* Give 24 MiB to SYSTEM from Applet. This allows for more custom sysmodules. */
+#define ATMOSPHERE_EXTRA_SYSTEM_MEMORY_FOR_SYSMODULES 0x1800000ULL
+
 /* Memory that system, application, applet are allowed to allocate. */
 static const u64 g_memory_resource_limits_deprecated[5][3] = {
     {0x010D00000ULL, 0x0CD500000ULL, 0x021700000ULL},
@@ -78,6 +81,11 @@ void ResourceLimitUtils::InitializeLimits() {
         memcpy(&g_memory_resource_limits, &g_memory_resource_limits_deprecated, sizeof(g_memory_resource_limits));
         memcpy(&g_resource_limits, &g_resource_limits_deprecated, sizeof(g_resource_limits));
     }
+    /* Atmosphere: Allocate extra memory (24 MiB) to SYSTEM away from Applet. */
+    for (unsigned int i = 0; i < 5; i++) {
+        g_memory_resource_limits[i][0] += ATMOSPHERE_EXTRA_SYSTEM_MEMORY_FOR_SYSMODULES;
+        g_memory_resource_limits[i][2] -= ATMOSPHERE_EXTRA_SYSTEM_MEMORY_FOR_SYSMODULES;
+    }
     /* Get memory limits. */
     u64 memory_arrangement;
     if (R_FAILED(splGetConfig(SplConfigItem_MemoryArrange, &memory_arrangement))) {
diff --git a/stratosphere/sm/source/sm_main.cpp b/stratosphere/sm/source/sm_main.cpp
index e68b6674d..410058383 100644
--- a/stratosphere/sm/source/sm_main.cpp
+++ b/stratosphere/sm/source/sm_main.cpp
@@ -15,7 +15,7 @@ extern "C" {
 
     u32 __nx_applet_type = AppletType_None;
 
-    #define INNER_HEAP_SIZE 0x200000
+    #define INNER_HEAP_SIZE 0x20000
     size_t nx_inner_heap_size = INNER_HEAP_SIZE;
     char   nx_inner_heap[INNER_HEAP_SIZE];