diff --git a/imgui.cpp b/imgui.cpp
index 97dc6bf9e..0f2041ae1 100644
--- a/imgui.cpp
+++ b/imgui.cpp
@@ -1294,6 +1294,7 @@ IMPLEMENTING SUPPORT for ImGuiBackendFlags_RendererHasTextures:
 #pragma GCC diagnostic ignored "-Wstrict-overflow"                  // warning: assuming signed overflow does not occur when assuming that (X - c) > X is always false
 #pragma GCC diagnostic ignored "-Wclass-memaccess"                  // [__GNUC__ >= 8] warning: 'memset/memcpy' clearing/writing an object of type 'xxxx' with no trivial copy-assignment; use assignment or value-initialization instead
 #pragma GCC diagnostic ignored "-Wcast-qual"                        // warning: cast from type 'const xxxx *' to type 'xxxx *' casts away qualifiers
+#pragma GCC diagnostic ignored "-Wsign-conversion"                  // warning: conversion to 'xxxx' from 'xxxx' may change the sign of the result
 #endif
 
 // Debug options
diff --git a/imgui_draw.cpp b/imgui_draw.cpp
index 2cef3d2d7..2b5f3311e 100644
--- a/imgui_draw.cpp
+++ b/imgui_draw.cpp
@@ -82,6 +82,7 @@ Index of this file:
 #pragma GCC diagnostic ignored "-Wstrict-overflow"                  // warning: assuming signed overflow does not occur when simplifying division / ..when changing X +- C1 cmp C2 to X cmp C2 -+ C1
 #pragma GCC diagnostic ignored "-Wclass-memaccess"                  // [__GNUC__ >= 8] warning: 'memset/memcpy' clearing/writing an object of type 'xxxx' with no trivial copy-assignment; use assignment or value-initialization instead
 #pragma GCC diagnostic ignored "-Wcast-qual"                        // warning: cast from type 'const xxxx *' to type 'xxxx *' casts away qualifiers
+#pragma GCC diagnostic ignored "-Wsign-conversion"                  // warning: conversion to 'xxxx' from 'xxxx' may change the sign of the result
 #endif
 
 //-------------------------------------------------------------------------
diff --git a/imgui_internal.h b/imgui_internal.h
index af21c6515..23105ae8e 100644
--- a/imgui_internal.h
+++ b/imgui_internal.h
@@ -106,6 +106,7 @@ Index of this file:
 #pragma GCC diagnostic ignored "-Wfloat-equal"                      // warning: comparing floating-point with '==' or '!=' is unsafe
 #pragma GCC diagnostic ignored "-Wclass-memaccess"                  // [__GNUC__ >= 8] warning: 'memset/memcpy' clearing/writing an object of type 'xxxx' with no trivial copy-assignment; use assignment or value-initialization instead
 #pragma GCC diagnostic ignored "-Wdeprecated-enum-enum-conversion"  // warning: bitwise operation between different enumeration types ('XXXFlags_' and 'XXXFlagsPrivate_') is deprecated
+#pragma GCC diagnostic ignored "-Wsign-conversion"                  // warning: conversion to 'xxxx' from 'xxxx' may change the sign of the result
 #endif
 
 // In 1.89.4, we moved the implementation of "courtesy maths operators" from imgui_internal.h in imgui.h
diff --git a/imgui_tables.cpp b/imgui_tables.cpp
index bb2be7631..d4e57e831 100644
--- a/imgui_tables.cpp
+++ b/imgui_tables.cpp
@@ -240,6 +240,7 @@ Index of this file:
 #pragma GCC diagnostic ignored "-Wformat"                           // warning: format '%p' expects argument of type 'int'/'void*', but argument X has type 'unsigned int'/'ImGuiWindow*'
 #pragma GCC diagnostic ignored "-Wstrict-overflow"
 #pragma GCC diagnostic ignored "-Wclass-memaccess"                  // [__GNUC__ >= 8] warning: 'memset/memcpy' clearing/writing an object of type 'xxxx' with no trivial copy-assignment; use assignment or value-initialization instead
+#pragma GCC diagnostic ignored "-Wsign-conversion"                  // warning: conversion to 'xxxx' from 'xxxx' may change the sign of the result
 #endif
 
 //-----------------------------------------------------------------------------
diff --git a/imgui_widgets.cpp b/imgui_widgets.cpp
index e0822e52e..67e1cf5ca 100644
--- a/imgui_widgets.cpp
+++ b/imgui_widgets.cpp
@@ -92,6 +92,7 @@ Index of this file:
 #pragma GCC diagnostic ignored "-Wstrict-overflow"                  // warning: assuming signed overflow does not occur when simplifying division / ..when changing X +- C1 cmp C2 to X cmp C2 -+ C1
 #pragma GCC diagnostic ignored "-Wclass-memaccess"                  // [__GNUC__ >= 8] warning: 'memset/memcpy' clearing/writing an object of type 'xxxx' with no trivial copy-assignment; use assignment or value-initialization instead
 #pragma GCC diagnostic ignored "-Wcast-qual"                        // warning: cast from type 'const xxxx *' to type 'xxxx *' casts away qualifiers
+#pragma GCC diagnostic ignored "-Wsign-conversion"                  // warning: conversion to 'xxxx' from 'xxxx' may change the sign of the result
 #endif
 
 //-------------------------------------------------------------------------